1.
Pediatría (Santiago de Chile)
;
40(1): 38-48, 1997.
Article
in Spanish
| LILACS
| ID: lil-216397
2.
Pediatría (Santiago de Chile)
;
39(3/4): 123-48, jul.-dic. 1996. tab, graf
Article
in Spanish
| LILACS
| ID: lil-202522