1.
Bull. W.H.O. (Print)
; 71(2): 207-214, 1993.
Article
in English
| AIM
| ID: biblio-1259952
2.
Med. Afr. noire (En ligne)
; : 552-561, 1993.
Article
in French
| AIM
| ID: biblio-1265863
Subject(s)
Intestinal Neoplasms , Liver Neoplasms , Neoplasms , Rectal Neoplasms , Stomach Neoplasms
3.
Memorias do Instituto Oswaldo Cruz
; 87: 187-194, 1992.
Article
in English
| AIM
| ID: biblio-1266507