共 16 条
[1]
A CASE-CONTROL STUDY OF SPERMICIDES AND GONORRHEA
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1984, 251 (21)
:2822-2824
[4]
SEX AND SPERMICIDES - PREVENTING UNINTENDED PREGNANCY AND INFECTION
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1982, 248 (13)
:1636-1637
[5]
COWAN ME, 1973, BRIT J VENER DIS, V49, P65
[6]
COX DR, 1972, J R STAT SOC B, V34, P187
[7]
JICK H, 1982, JAMA-J AM MED ASSOC, V248, P1619, DOI 10.1001/jama.248.13.1619
[10]
ON THE REGRESSION-ANALYSIS OF MULTIVARIATE FAILURE TIME DATA
[J].
BIOMETRIKA,
1981, 68 (02)
:373-379