共 29 条
[4]
Cox D. R, 1977, ANAL BINARY DATA
[5]
EDERER FRED, 1961, NATL CANCER INST MONOGR, V6, P101
[6]
FRANCHIS RD, 1991, GASTROENTEROLOGY, V101, P1087
[10]
HYMAS DE, 1985, TXB GERIATRIC MED GA, P557