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The clinical content of preconception care: reproductive history.
Stubblefield PG, Coonrod DV, Reddy UM, Sayegh R, Nicholson W, Rychlik DF, Jack BW. Stubblefield PG, et al. Among authors: rychlik df. Am J Obstet Gynecol. 2008 Dec;199(6 Suppl 2):S373-83. doi: 10.1016/j.ajog.2008.10.048. Am J Obstet Gynecol. 2008. PMID: 19081433
Clinical studies without patients.
Rychlik DF. Rychlik DF. Fertil Steril. 2000 Jul;74(1):186; author reply 187-8. Fertil Steril. 2000. PMID: 10907918 Free article. No abstract available.