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Av. méd. Cuba
;
10(36): 62-64, oct.-dic. 2003. ilus, tab, graf
Article
in Spanish
| LILACS
| ID: lil-354414
2.
Rev. CENIC ciencias biol
;
30(Especial): 58-9, 1999. tab
Article
in Spanish
| LILACS
| ID: lil-253332