1.
Rev. méd. Chile
;
120(7): 822-7, jul. 1992. tab, ilus
Article
in Spanish
| LILACS
| ID: lil-109714
2.
Rev. méd. Chile
;
119(6): 617-25, jun. 1991. tab, ilus
Article
in Spanish
| LILACS
| ID: lil-104655