1.
Rev. méd. Chile
;
126(9): 1049-57, sept. 1998. tab, graf
Article
in Spanish
| LILACS
| ID: lil-233067
2.
Rev. méd. Chile
;
114(4): 315-20, Apr. 1986. tab, ilus
Article
in Spanish
| LILACS
| ID: lil-35231