1.
East Afr. j. health sci. (Online)
;
4(1): 40-42, 2007.
Article
in English
| AIM
| ID: biblio-1261425
2.
Rev. Fac. Med. (Caracas)
;
13(2): 127-9, jul.-dic.1990. tab
Article
in Spanish
| LILACS
| ID: lil-100690