共 15 条
[1]
Armitage P., 1971, STATISTICAL METHODS, P362
[2]
AYER P, 1976, N ENGL J MED, V295, P573
[3]
BELLET S, 1970, CIRCULATION S3, V42, P135
[4]
GLYNN MF, 1966, CAN MED ASSOC J, V95, P549
[5]
GORDON T, 1974, LANCET, V2, P1345