Stuart S et al. J Nerv Ment Dis. 1998.
Fehring RJ et al. Contraception. 1998.
Stephen EH et al. Fertil Steril. 1998.
Hilgers TW et al. J Reprod Med. 1998.
Anttila L et al. Obstet Gynecol. 1998.
Faron G et al. Obstet Gynecol. 1998.
Righetti-Veltema M et al. J Affect Disord. 1998.
Nezhat C et al. Fertil Steril. 1998.
Heim C et al. Psychosom Med. 1998.
Modan B et al. Am J Epidemiol. 1998.
Brisken C et al. Proc Natl Acad Sci U S A. 1998.
Giudice LC et al. J Reprod Med. 1998.
de Leizaola MA. J Gynecol Obstet Biol Reprod (Paris). 1998.
Foidart JM et al. Fertil Steril. 1998.
Muneyvirci-Delale O et al. Fertil Steril. 1998.
Hendrick V et al. Psychosomatics. 1998.
Jelsema RD. J Reprod Med. 1998.
Devogelaer JP et al. Maturitas. 1998.
Webb MJ et al. Obstet Gynecol. 1998.
Moore ML et al. Obstet Gynecol. 1998.
Jiang X et al. Cancer Res. 1998.
Mathias JR et al. Dig Dis. 1998.
Altshuler LL et al. J Clin Psychiatry. 1998.
Morin-Papunen LC et al. Fertil Steril. 1998.
Shimonovitz S et al. Am J Obstet Gynecol. 1998.