1.
Rev. méd. Maule
;
10/11(2/1): 8-10, dic. 1991-jun. 1992. ilus
Article
in Spanish
| LILACS
| ID: lil-152826
2.
Rev. méd. Maule
;
10/11(2/1): 20-1, dic. 1991-jun. 1992.
Article
in Spanish
| LILACS
| ID: lil-152830