共 32 条
[1]
AMESS JAL, 1978, LANCET, V2, P339
[2]
CAMPBELL RL, 1977, J ORAL SURG, V35, P625
[5]
COHEN E N, 1974, Anesthesiology (Hagerstown), V41, P321
[7]
DINN JJ, 1978, LANCET, V2, P1154
[8]
ESCHENBRENNER AB, 1945, J NATL CANCER I, V5, P251
[9]
FLEISS JL, 1973, STATISTICAL METHODS