1.
Rev. méd. Chile
; 119(6): 709-14, jun. 1991. tab, ilus
Article
in Spanish
| LILACS
| ID: lil-104669
2.
Rev. méd. Chile
; 117(6): 618-23, jun. 1989. tab, ilus
Article
in Spanish
| LILACS
| ID: lil-69798