共 13 条
[2]
EMERY AEH, 1978, LANCET, V1, P470
[3]
Feinstein AR, 1977, CLIN BIOSTATISTICS
[7]
MORRISON AS, 1977, LANCET, V1, P1142
[9]
PRICE WH, 1963, BRIT MED J, P138, DOI 10.1136/bmj.2.5350.138
[10]
SCHOCKET AL, 1978, LANCET, V1, P571