共 51 条
[12]
COX LA, 1985, MANAGE SCI, V7, P800
[16]
EJIGOU A, 1979, Biometrical Journal, V21, P155, DOI 10.1002/bimj.4710210209
[18]
GEFELLER O, 1992, EPIDEMIOLOGY, V3, P271, DOI 10.1097/00001648-199205000-00015