共 71 条
[2]
ABDEL-KHALIK A. K, 1938, ARCH DIS CHILDHOOD, V13, P333
[3]
[Anonymous], 1979, Weekly Epidemiological Record, V54, P337
[4]
ASSAAD F, 1983, REV INFECT DIS, V5, P452
[5]
Basu R N, 1982, Pak Pediatr J, V6, P184
[6]
BENNETT MJ, 1976, S AFR MED J, V50, P513
[9]
BLACK RE, 1980, B WORLD HEALTH ORGAN, V58, P927
[10]
BLOCH AB, 1983, CONSULTATION DETERMI