共 13 条
[1]
BELL EJ, 1983, B WORLD HEALTH ORGAN, V61, P839
[2]
DOMOK I, 1979, WHO OFFSET PUBLICTIO, P46
[3]
GALLARDO FP, 1963, REV SANID HIG PUBL, V37, P454
[4]
KYRIAZOPOULOV VG, 1972, B WHO, V47, P141
[6]
Najera E, 1975, Rev Sanid Hig Publica (Madr), V49, P953
[8]
PALMER DF, 1977, IMMUNOLOGY SERIES, V2
[10]
SMITH JWG, 1980, J HYG LOND, V80, P155