1.
Gac. méd. Caracas
;
111(3): 186-192, jul.-sept. 2003. ilus
Article
in Spanish
| LILACS
| ID: lil-391456
2.
Gac. méd. Caracas
;
111(2): 91-111, abr.-jun. 2003. ilus
Article
in Spanish
| LILACS
| ID: lil-391433