1.
Gac Med Mex
; 144(1): 71-3, 2008.
Article
in Spanish
| MEDLINE
| ID: mdl-18619061
2.
Gac. méd. Méx
; 144(1): 71-73, ene.-feb. 2008. ilus
Article
in Spanish
| LILACS
| ID: lil-568138