共 16 条
[1]
ALPAN G, 1984, PEDIATRICS, V74, P375
[2]
ARMITAGE P, 1971, STATISTICAL METHODS, P380
[3]
INTRAVENTRICULAR HEMORRHAGE - TIMING OF OCCURRENCE AND RELATIONSHIP TO PERINATAL EVENTS
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1984, 91 (10)
:1007-1013
[6]
GRAY OP, 1968, LANCET, V1, P545
[7]
MCDONALD MM, 1984, PEDIATRICS, V74, P26