Alexander N J, 1981, Fertil Steril, 36, 201, 10.1016/S0015-0282(16)45679-7
Bergman A, 1981, Fertil Steril, 36, 363, 10.1016/S0015-0282(16)45739-0
David M P, 1979, Fertil Steril, 32, 676, 10.1016/S0015-0282(16)44418-3
Gaddum-Rosse P, 1980, Fertil Steril, 33, 636, 10.1016/S0015-0282(16)44778-3
Gaddum-Rosse P, 1980, Fertil Steril, 33, 644, 10.1016/S0015-0282(16)44779-5
Harrison R, 1981, Fertil Steril, 36, 71, 10.1016/S0015-0282(16)45621-9
Kremer J, 1981, Int J Fertil, 10, 209
Kremer J, 1976, Fertil Steril, 27, 335, 10.1016/S0015-0282(16)41726-7
Kummerfeld H L, 1981, Fertil Steril, 35, 218, 10.1016/S0015-0282(16)45326-4
Lee W I, 1981, Fertil Steril, 36, 209, 10.1016/S0015-0282(16)45680-3
Mangione C M, 1981, Int J Fertil, 26, 20
Matthews C D, 1980, Fertil Steril, 33, 187, 10.1016/S0015-0282(16)44540-1
Miller E G, 1932, Am J Obstet Gynecol, 24, 19, 10.1016/S0002-9378(32)91023-0
Moghissi K S, 1972, Fertil Steril, 23, 295, 10.1016/S0015-0282(16)38890-2
Overstreet J W, 1986, Fertil Steril, 45, 324, 10.1016/S0015-0282(16)49210-1
Pandya I J, 1986, Fertil Steril, 45, 357, 10.1016/S0015-0282(16)49217-4
Poland M L, 1985, Fertil Steril, 44, 396, 10.1016/S0015-0282(16)48866-7
Schwartz D, 1979, J Reprod Fert, 57, 391, 10.1530/jrf.0.0570391
Sokal R, 1969, Biometry: The principles and practice of statistics in biological research
Stumpf P, 1984, J Reprod Med, 29, 833
Tredway D, 1978, Am J Obstet Gynecol, 130, 647, 10.1016/0002-9378(78)90321-6