1.
Bol. Hosp. Viña del Mar
;
55(1/2): 80-3, 1999. tab
Article
in Spanish
| LILACS
| ID: lil-253109
2.
Bol. Hosp. Viña del Mar
;
55(1/2): 97-8, 1999.
Article
in Spanish
| LILACS
| ID: lil-253113