• Albrecht, B., Fernando, R. S., Regas, J., Betz, G. (1985) "A new method for predicting and confirming ovulation." Fertility and Sterility 43 (8): 200-205.
     
  • Anonymous. (1976/September) "Natural family planning" [Letter to the editor]. Lancet 2 (7985): 579.
     
  • Bennett, L. A. (1984) "More about natural family planning" [letter]. Australian Family Physician 13 (6): 396-397.
     
  • Betts, K. (1984) "The Billings Method of family planning." Studies in Family Planning p. 253 ff.
     
  • Billings, E. (1980) "Approaching menopause: The ovulation method." International Review of Natural Family Planning 4 (2): 118-127.

    ________. (1982) "A positive solution for achieving and postponing pregnancy." International Review of Natural Family Planning 6 (4): 313-324.

    ________. (1991) "The simplicity of the ovulation method and its application in various circumstances." Acta Europaea Fertilitatis 22: 33-36.
     
  • Billings, E. L., Billings, J. J. (1973/March) "The idea of ovulation method." Australian Family Physician 2 (81-85).
     
  • Billings, J. J. (1978) "Natural family planning" [letter]. Medical Journal of Australia 2 (9): 436.

    ________. (1978) "Natural family planning" [editorial]. Papua New Guinea Medical Journal 21 (4): 286-287.

    ________. (1983) The Ovulation Method. Melbourne: Advocate Press.

    ________. (1991) "The validation of the Billings Ovulation Method by laboratory research and field trials." Acta Europaea Fertilitatis 22: 9-15.
     
  • Bourdillon, C. (1982) "Natural family planning." Central African Journal of Medicine 28 (11): 284-287.
     
  • Britt, S.S. (1977) "Fertility awareness: Four methods of natural family planning." JOGN Nursing 6 (2): 9-18.
     
  • Brown, J. B., Blackwell, L. F., Billings, J. J., Conway, B., Cox, R. I., Garrett, G., Holmes, J., Smith, M. A. (1987) "Natural family planning." American Journal of Obstetrics and Gynecology 157: 1082-1089.
     
  • Carenza, L. (1982) "Contraception and family planning in Italy." Contraceptive Delivery Systems 3 (3-4): 192.
     
  • Cattanach, J. F. (1991) "A diaphragm tampon applied to an ovulation method in a birth control system." Contraception 44: 607-621.
     
  • Clubb, E. (1986) "Natural methods of family planning." Journal of the Royal Society of Health 106: 121-126.
     
  • Connell-Tatum, E. B. (1981) "Ovulation method of natural family planning" [editorial]. Fertility and Sterility 36 (5): 551-552.
     
  • Davis, M. S. (1992) "Natural family planning." NAACOGS Clinical Issues in Perinatal and Women's Health Nursing 3: 280-290.
     
  • Deibel, P. (1978) "Natural family planning: Different methods. MCN." American Journal of Maternal Child Nursing 3 (3): 171-177.
     
  • Djerassi, C. (1990) "Fertility awareness: Jet-age rhythm method?" Science 248: 1061-1062.
     
  • Dolack, L. (1978) "Study confirms values of ovulation method." Hospital Progress 59 (8): 64-66, 72-73.
     
  • Dunn, H. P. (1984) "Few restrictions in natural family planning" [letter]. New England Medical Journal, 97 (760): 498.
     
  • Eckerson, D. A. (1982) "Technical aspects of the microcomputer in fertility awareness." Contraceptive Delivery Systems 3 (3-4): 25.
     
  • Elder, N. (1978) "Natural family planning: The ovulation method." Journal of Nurse Midwifery 23: 25-30.
     
  • Feghali, V., Hafez, E. S. E. (1982) "Physiological parameters of periodic abstinence." Contraceptive Delivery Systems 3 (3-4): 24.
     
  • Fonte, D.R. (1997). "The basics of natural family planning." Advance for Nurse Practitioners 5 (3): 36-42.
     
  • Flynn, A. M. (1984) "Natural methods of family planning." Clinics in Obstetrics and Gynecology 11 (3): 661-678.

    ________. (1989) "Natural family planning and the new technologies." International Journal of Gynecology and Obstetrics 1 [supplement]: 123-127.

    ________. (1992) "Natural family planning in developing countries." Lancet 340: 309.
     
  • Flynn, A. M., Kelly, J. (1976) "Natural methods of family planning" [letter]. Lancet 2 (7982): 418.
     
  • France, J. T. (1973/June) "The ovulation method of family planning." IPPF Medical Bulletin 7: 2-3.
     
  • Geerling, J.H. (1995) "Natural family planning." American Family Physician 52 (6): 1749-1758.
     
  • Ghosh, A. K. (1976) "Natural family planning by symptothermic control." Journal of the Indian Medical Association 66 (11): 286-288.
     
  • Gibbons, C. (1980) "Natural family planning." Nursing Times 76 (33): 1454-1456.
     
  • Gomes, I., Congdon, D. (1988) "The natural family planning programme in Bangladesh." International Journal of Fertility 33 [supplement]: 52-53.
     
  • Gupta, T.K. (1996) "Natural family planning—better prospect of contraception." Natural Family Planning 50 (3): 72-76.
     
  • Habashy, S., Taylor, R. S. (1983) "The ovulation method of natural family planning." Contraceptive Delivery Systems 4 (4).
     
  • Hilgers, T. W. (1978/November) "The ovulation method: Ten years of research." Linacre Quarterly: 383-387.

    ________. (1983) "Continuous mucus in the use of the ovulation method." International Review of Natural Family Planning 7 (4): 326-341.
     
  • Hume, K. (1974/April) "Recent advances in the ovulation method." Australian Family Physician 3: 150-157.

    ________. (1977) "Ovulation method of natural family planning." Irish Medical Journal 70 (6): 208-214.
     
  • Jarrett, J. C., Spellacy, W. N. (1983) "Contraceptive practices of female runners." Fertility and Sterility 39 (3): 374-375.
     
  • Johnson, J. H., Reich, J. (1986) "The new politics of natural family planning." Family Planning Perspectives 18: 277-278, 281-282.
     
  • Kambic, R. (1977) "Natural family planning" [letter]. Postgraduate Medicine 62 (3): 62.
     
  • Keatley, V. M. (1988-89) "Natural family planning." Family Life Educator 7 (2): 4-8.
     
  • Kennedy, W. (1995) "Natural family planning." The Professional Medical Assistant 28 (1): 13-14.
     
  • Klaus, H. (1981) "Natural family planning: A review." Obstetrical and Gynecological Survey 37 (2): 128-150.

    ________. (1989) "On natural family planning" [letter; comments]. Family Planning Perspectives 21: 196.
     
  • Klein, T. A. (1983) "Rhythm method of contraception." Medical Aspects of Human Sexuality 16 (1): 113, 117.
     
  • Kmietowicz, Z. (1997) "Deciding on a method of natural family planning." Nurse Prescriber 2 (11): 30-31.
     
  • Lanctot, C. A. (1979) "Natural family planning." Clinics in Obstetrics and Gynecology 6 (1): 109-128.
     
  • Marshall, J. (1976 a/August) "Cervical-mucus and basal body-temperature method of regulation births." Lancet 6: 282ff.

    ________. (1976 b) "Natural family planning" [letter]. Lancet 2 (7994): 1086.

    ________. (1976 c) "Natural family planning" [letter]. Lancet 2 (7987): 685.
     
  • Matis, N. (1983) "Natural family planning: A birth control alternative." Journal of Nurse-Midwifery 38 (1): 1.
     
  • McLean, P. A., Hilgers, T. W. (1985) "Ovulation method charting in patients taking Danazol." International Journal of Fertility 30 (3): 18-30.
     
  • Menezes, J. A. (1982 a) "Microcomputer designed to aid natural family planning." Contraceptive Technology Update 3 (12): 149-151.
     
  • ________. (1982 b) "Promoting NFP: India." International Review of Natural Family Planning 6 (1): 89-93.
     
  • Mosher, W. D. (1991) "Contraceptive practice in the United States, 1982-1988" [published erratum appears in Family Planning Perspectives (1991 May-June); 23 (3): 107]. Family Planning Perspectives 22: 198-205.
     
  • Nerbun, B., Carter, P. (1982) "The scientific basis of the ovulation method of natural family planning." Bulletin of the South Carolina Academy of Science 44: 77.

    ________. (1982) "Statement on periodic abstinence for family planning." IPPF Medical Bulletin 89: 985-988.
     
  • Norman, C. (1995) "Does nature know best? Background and mechanisms of natural family planning." Midwives 85-88.
     
  • Norris, C.W. (1977) "Natural family planning." Nursing Mirror 145 (17): 29-30.

    ________. (1985) "Vulvar effects of the toilet tissue observational routine in the practice of natural family planning" [letter]. American Journal of Obstetrics and Gynecology 152 (8): 1108-1109.
     
  • Parenteau-Carreau, S. (1981) "The sympto-thermal methods." International Journal of Fertility 26 (3): 170-181.
     
  • Ponzetti, J. J., Hoefler, S. (1988) "Natural family planning: A review and assessment." Family & Community Health 11 (2): 36-48.
     
  • Pyper, C.M. (1997) "Fertility awareness and natural family planning." The European Journal of Contraception and Reproductive Health Care 1 (2): 131-146.
     
  • Queenan, J. T., Jennings, V. H., Spieler, J. M., Hertzen, H. von. (1991) "Meeting on natural family planning: Current knowledge and new strategies for the 1990s, Washington, D.C., USA December 10-14, 1990." American Journal of Obstetrics and Gynecology Part 2 165 (6): 1977-2068.
     
  • Queenan, J. T., Moghissi, K. S. (1991) "Natural family planning: Looking ahead." American Journal of Obstetrics and Gynecology 165: 1979-1980.
     
  • Royston, J. P., Abrams, R. M. (1980) "An objective method for detecting the shift in basal body temperature in women." Biometrics 36 (2): 217-224.
     
  • Ryder, B., & Campbell, H. (1995) "Natural family planning in the 1990s." The Lancet 346: 233-234.
     
  • Sanford, J. B. (1991) "Contraception-natural family planning" [letter; comment]. Journal of the American Board of Family Practitioners 4: 277-279.
     
  • Schenker, J.G., Mor-Yosef, S. (1984) "Natural family planning." Contraceptive Delivery Systems 5 (3).
     
  • Schneider, H. (1982) "The microcomputer as an improved methodology for fertility awareness." Contraceptive Delivery Systems 3 (3-4): 26.
     
  • Singh, K., Ratnam, S. S. (1991) "New developments in contraceptive technology." Advances in Contraception 7: 137-157.
     
  • Trent, A.J., & Clark, K. (1997). "What nurses should know about natural family planning." Journal of Obstetric, Gynecologic and Neonatal Nursing 26 (6): 643-648.
     
  • Winfield, J. (1996). "Natural family planning." Practice Nurse 12 (4): 255-258.
     
  • Wooley, R. J. (1991) "Contraception-a look forward, Part I: New spermicides and natural family planning." Journal of the American Board of Family Practice 4: 33-46.

    ________. (1992) "Natural family planning in Granada, Spain." Advances in Contraception 8: 225-226.

 

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