共 32 条
[21]
SPERMICIDE USE AND DOWNS-SYNDROME
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH,
1982, 72 (04)
:399-401
[22]
ROTHMAN KJ, 1978, NEW ENGL J MED, V299, P1362
[24]
ROTHMAN KJ, 1986, AM J PUBLIC HEALTH, V76, P587
[26]
SAVITZ D, 1987, AM J PUBLIC HLTH, V77
[28]
THOMPSON WD, 1987, AM J PUBLIC HLTH, V77
[29]
TUKEY J. W., 1960, TECHNOMETRICS, V2, P423, DOI [10.2307/1266451, DOI 10.2307/1266451]
[30]
WALKER, 1986, AM J PUBLIC HEALTH, V76, P1087