共 26 条
[4]
CLARKE C, 1979, BR MED J, V23, P1665
[5]
Cox DR, 1970, ANAL BINARY DATA, P76
[6]
DAVID RJ, 1983, PEDIATRICS, V71, P531
[7]
DIXON WJ, 1981, BMDP STATISTICAL SOF
[8]
EDWARD L, 1980, BR J OBSTET GYNAECOL, V87, P833
[9]
ELLIS MI, 1979, QJ MED, V190, P211