1.
Rev. méd. Chile
;
119(11): 1254-8, nov. 1991. tab, ilus
Article
in Spanish
| LILACS
| ID: lil-111777
2.
Rev. méd. Chile
;
117(12): 1344-50, dic. 1989. tab, ilus
Article
in Spanish
| LILACS
| ID: lil-82524