Stanford JB, Thurman PB, Lemaire JC.
Obstet Gynecol. 1999 Nov;94(5 Pt 1):672-8.
PMID: 10546708
Hilgers TW, Yeung P.
Fertil Steril. 1999 Jul;72(1):174-8.
PMID: 10428171
Hilgers TW, Stanford JB.
J Reprod Med. 1998 Jun;43(6):495-502.
PMID: 9653695
Roozenburg BJ, van Dessel HJ, Evers JL, Bots RS.
Hum Reprod. 1997 Aug;12(8):1720-2.
PMID: 9308800
Stanford JB, Lemaire JC, Fox A.
Fam Pract Res J. 1994 Sep;14(3):237-49.
PMID: 7976475
Klaus H.
Obstet Gynecol Surv. 1982 Feb;37(2):128-50. Review.
PMID: 7033851
Cohen MR, Stein IF Sr, Kaye BM.
Fertil Steril. 1952 May-Jun;3(3):201-9.
PMID: 14945532