共 44 条
[1]
ANDEN NE, 1973, LANCET, V2, P93
[2]
ARMITAGE P, 1971, STATISTICAL METHODS, P331
[3]
BAMFORD K, 1986, NEUROLOGY, V36, P102
[5]
BORISON RL, 1979, ANN NEUROL, V6, P149
[6]
CHOI DW, 1988, J NEUROSCI, V8, P185
[7]
COLTON T, 1974, STAT MED, P99
[9]
COX DR, 1984, ANAL SURVIVAL DATA, V0021