1.
Cardiovasc. j. Afr. (Online)
;
27(4): 152-158, 2016.
Article
in English
| AIM
| ID: biblio-1260461
2.
Southeast Asian J Trop Med Public Health
;
1992 ; 23 Suppl 3(): 94-109
Article
in English
| IMSEAR
| ID: sea-31808