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Rev. Fac. Cienc. Méd. (Córdoba)
; 59(1): 9-11, 2002.
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| LILACS
| ID: lil-349515
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; 1(2/3): 129-39, 1990.
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| LILACS
| ID: lil-113158
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; 1(1): 83-9, 1989.
Article
in Spanish
| LILACS
| ID: lil-113165