共 15 条
[11]
TIETZE C, 1964, IPPF MEDICAL HDB, P59
[12]
TIETZE C, 1962, RESEARCH FAMILY PLAN, P357
[13]
TIETZE C, 1965, INTRAUTERINE CONTRAC, P98
[14]
WESTOFF CF, 1963, 3RD CHILD, pCH4
[15]
1959, EUGENICS REV, V50, P231