1.
New York; John Wiley & Sons; 1997. 218 p.
Monography
in English
| LILACS
| ID: lil-377680
2.
World health
;
: 26-27, 1992.
Article
in English
| AIM
| ID: biblio-1273746
3.
Sante du monde
;
: 26-27, 1992.
Article
in French
| AIM
| ID: biblio-1271754