共 10 条
[1]
CSOMA B, 1969, ARVOSI HETILAP, V110, P1074
[3]
MARSHALL J, IPPF EUROPEAN NEAR E
[4]
NATHAN E, TO BE PUBLISHED
[5]
PARISER G, 1974, COMMUNICATION
[6]
Peel J., 1969, TXB CONTRACEPTIVE PR
[8]
SWYER GIM, 1968, INT J FERTIL, V13, P366
[9]
TIETZE C, 1967, STUDIES FAMILY P S18
[10]
1965, IPPF HDB, P74