共 25 条
[3]
COOPER TB, 1969, CURR THER RES CLIN E, V11, P603
[4]
FISHER RA, 1958, STATISTICAL METHODS, P92
[6]
GORDIN A, 1972, LANCET, V1, P551
[9]
HULLIN RP, 1972, LANCET, V1, P1044