1.
Rev. méd. Chile
;
121(4): 369-78, abr. 1993. tab, ilus
Article
in Spanish
| LILACS
| ID: lil-116846
2.
Rev. méd. Chile
;
120(12): 1370-5, dic. 1992. tab, ilus
Article
in Spanish
| LILACS
| ID: lil-115968