共 25 条
[1]
ANDERSON NA, 1943, AM J DIS CHILD, V27, P523
[2]
BAKWIN H., 1932, HUMAN BIOL, V4, P1
[3]
Bakwin H, 1934, AM J DIS CHILD, V48, P1234
[6]
Cawley RH, 1954, BRIT J PREV SOC MED, V8, P66
[7]
CHAPIN FS, 1933, MEASUREMENT SOCIAL S, P367
[8]
CHRISTIE A, 1949, AM J DIS CHILD, V77, P355
[9]
PREMATURITY IN THE NEGRO INFANT - STUDY OF PATIENTS ADMITTED TO GEO-W-HUBBARD-HOSPITAL NURSERIES DURING 11-YEAR PERIOD
[J].
AMA AMERICAN JOURNAL OF DISEASES OF CHILDREN,
1952, 83 (04)
:463-474