1.
Rev. ecua-estomatol
;
(2): 2-5, jun. 1991. ilus
Article
in Spanish
| LILACS
| ID: lil-106506
2.
Rev. ecua-estomatol
;
(2): 33-4, jun. 1991. ilus
Article
in Spanish
| LILACS
| ID: lil-106730