1.
Ceylon Med J
;
1981 Jun; 26(2): 89-93
Article
in English
| IMSEAR
| ID: sea-48542
Subject(s)
Bordetella pertussis/isolation & purification , Child , Child, Preschool , Female , Humans , Infant , Male , Sri Lanka , Whooping Cough/epidemiology
2.
Ceylon Med J
;
1978 Jun-Sep; 23(2-3): 61-3
Article
in English
| IMSEAR
| ID: sea-48536