共 12 条
[1]
BOURNE G, 1972, PREGNANCY, P532
[2]
BROTHERTON J, 1972, FERTIL STERIL, V23, P289
[4]
FACTORS AFFECTING NORMAL EXPECTANCY OF CONCEPTION
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1956, 161 (09)
:855-860
[5]
HIRSON C, 1970, LANCET, V1, P412
[6]
HOFFBRAND AV, 1974, CLIN GASTROENTEROL, V3, P71
[8]
MORRIS JS, 1970, LANCET, V1, P213