1.
Gac. méd. Caracas
; 116(2): 161-167, jun. 2008.
Article
in Spanish
| LILACS
| ID: lil-630535
2.
Gac. méd. Caracas
; 110(3): 395-398, jul.-sept. 2002. ilus
Article
in Spanish
| LILACS
| ID: lil-402002