1.
Arch. venez. pueric. pediatr
;
72(supl. 1): 9-12, mayo 2009. tab, graf
Article
in Spanish
| LILACS
| ID: lil-589204
2.
Arch. venez. pueric. pediatr
;
61(4): 179-87, oct.-dic. 1998. ilus, tab
Article
in Spanish
| LILACS
| ID: lil-261602