共 19 条
[1]
Ayim E N, 1974, East Afr Med J, V51, P246
[3]
COCKBURN WC, 1968, WHOVIR681 DOC
[4]
DOMOK I, 1974, B WORLD HEALTH ORGAN, V51, P333
[5]
DROZDOV S, 1971, Pan American Health Organization Scientific Publication, V226, P163
[6]
FAMILUSI JB, 1977, TROPICAL PAEDIATRICS, V23, P120
[7]
Ghosh S, 1970, Indian Pediatr, V7, P78
[8]
GONZAGA AJ, 1963, PEDIATRICS, V32, P1039