1.
Rev. Hosp. Clin. Univ. Chile
;
11(4): 323-8, 2000.
Article
in Spanish
| LILACS
| ID: lil-286914
2.
Rev. Hosp. Clin. Univ. Chile
;
11(4): 329-37, 2000.
Article
in Spanish
| LILACS
| ID: lil-286915