1.
Pediatr. edicion int
;
4(3): 73-73, jul.-sept. 2001.
Article
in Spanish
| LILACS
| ID: lil-343265
2.
Pediatr. edicion int
;
3(1): 4-25, ene.-mar. 2001. tab
Article
in Spanish
| LILACS
| ID: lil-292511
3.
Pediatr. edicion int
;
2(2): 48-9, jul.-sept. 1999.
Article
in Spanish
| LILACS
| ID: lil-292468
ABSTRACT
por ciento