1.
Rev. chil. tecnol. méd
;
21(1): 902-3, jun. 2001.
Article
in Spanish
| LILACS
| ID: lil-295297
2.
Rev. chil. tecnol. méd
;
19: 807-10, 1999.
Article
in Spanish, English
| LILACS
| ID: lil-295213