共 13 条
[1]
ALLEN HF, 1978, OPHTHALMOLOGY, V85, P317
[2]
BLOOM BS, 1988, INQUIRY-J HEALTH CAR, V25, P383
[3]
FLEISS JL, 1973, STATISTICAL METHODS
[4]
FLYNN JT, 1987, OPHTHALMOLOGY, V94, P630
[5]
Glantz SA., 1987, PRIMER BIOSTATISTICS
[6]
KAHN HA, 1983, INTRO EPIDEMIOLOGIC, P25
[7]
KATZ J, 1988, OPHTHALMIC SURG LAS, V19, P585
[9]
KRAFT SP, 1987, OPHTHALMOLOGY, V94, P1232
[10]
Snedecor G.W., 1980, STAT METHODS