1.
Rev. méd. Chile
;
119(7): 803-7, jul. 1991. tab, ilus
Article
in Spanish
| LILACS
| ID: lil-104634
2.
Rev. méd. Chile
;
116(2): 153-6, feb. 1988. tab, ilus
Article
in Spanish
| LILACS
| ID: lil-56443