共 24 条
[3]
Benenson AS, 1985, CONTROL COMMUNICABLE, P179
[7]
Fay O. H., 1985, Epidemiological Bulletin, V6, P1
[8]
FORTIER D, 1989, NEW ENGL J MED, V320, P1281
[9]
HADLER S C, 1987, Boletin de la Oficina Sanitaria Panamericana, V103, P185
[10]
KANE MA, 1984, JAMA-J AM MED ASSOC, V252, P3140, DOI 10.1001/jama.252.22.3140