共 15 条
[11]
LANATA CF, 1988, LANCET, V1, P122
[12]
LEMESHOW S, 1991, World Health Statistics Quarterly, V44, P115
[13]
LOPEZVALCARCEL BG, 1991, ANAL MULTIVARIANTE A
[14]
PALMER RH, 1988, INQUIRY, V25, P199
[15]
SATURNO PJ, 1990, EVALUACION CALIDAD A