1.
Rev. Fed. Odontol. Colomb
;
54(189): 63-6, sept.-dic. 1996.
Article
in Spanish
| LILACS
| ID: lil-201635
2.
Rev. Fed. Odontol. Colomb
;
47(181): 42-5, sept.-dic. 1993.
Article
in Spanish
| LILACS
| ID: lil-139606