1.
Gac. méd. Méx
;
142(6): 439-440, nov.-dic. 2006.
Article
in Spanish
| LILACS
| ID: lil-568951
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Gac. méd. Méx
;
142(2): 151-154, mar.-abr. 2006. ilus
Article
in Spanish
| LILACS
| ID: lil-570741