1.
Rev. Fac. Med. Univ. Nac. Nordeste
; 18(1): 11-4, 2000. ilus
Article
in Spanish
| LILACS
| ID: lil-288905
2.
Rev. Fac. Med. Univ. Nac. Nordeste
; 17(1/2): 19-21, 1999. ilus
Article
in Spanish
| LILACS
| ID: lil-258534