共 92 条
[1]
American Public Health Association, 1960, AM J PUBLIC HEALTH, V50, P225
[3]
[Anonymous], 1998, Design and Analysis of Group-Randomized Trials
[4]
[Anonymous], 1988, FUT PUBL HLTH
[5]
[Anonymous], 2005, Ann Fam Med, DOI [10.1370/afm.303, DOI 10.1370/AFM.303]
[6]
[Anonymous], 1972, EVALUATION RES METHO
[10]
Box GEP, 1987, Empirical model-building and response surfaces