共 13 条
[1]
ARMITAGE P, 1971, STATISTICAL METHODS
[3]
DIXON WJ, 1985, BMDP STATISTICAL SOF
[5]
THE CHANGING PATTERN OF LOW-BIRTH-WEIGHT IN THE UNITED-STATES - 1970 TO 1980
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1984, 251 (15)
:1978-1982
[7]
SCHRAMM W, 1980, MO MED, V77, P619
[9]
A COMPARISON OF DIRECT ADJUSTMENT AND REGRESSION ADJUSTMENT OF EPIDEMIOLOGIC MEASURES
[J].
JOURNAL OF CHRONIC DISEASES,
1985, 38 (10)
:849-856