1.
World Health Forum
; 12(3): 336, 1991.
Article
in English
| MEDLINE
| ID: mdl-1777024
Subject(s)
Developing Countries , Financing, Organized , Primary Prevention/economics , Vaccines , Humans
2.
Krankenpfl Soins Infirm
; 83(7): 51-4, 1990 Jul.
Article
in French
| MEDLINE
| ID: mdl-2374390