1.
Rev. méd. Chile
;
121(5): 553-6, mayo 1993. ilus
Article
in Spanish
| LILACS
| ID: lil-119776
2.
Rev. méd. Chile
;
117(9): 1002-5, sept. 1989. tab, ilus
Article
in Spanish
| LILACS
| ID: lil-79270