共 33 条
[2]
BOYD EJS, 1983, LANCET, V1, P95
[3]
DIXON WJ, 1983, BMDP STATISTICAL SOF
[6]
GILLIES MA, 1969, MED J AUST, V9, P280
[8]
GRIFFITH GH, 1968, GASTROENTEROLOGY, V54, P1