1.
Rev. méd. IMSS
;
34(2): 123-4, mar.-abr. 1996.
Article
in Spanish
| LILACS
| ID: lil-202986
2.
Rev. méd. IMSS
;
29(5/6): 295-6, sept.-dic. 1991.
Article
in Spanish
| LILACS
| ID: lil-175222