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Rev. colomb. cir
;
7(supl.1): 21-24, jul. 1992. ilus
Article
in Spanish
| LILACS
| ID: lil-328693
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Rev. colomb. cir
;
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Article
in Spanish
| LILACS
| ID: lil-328694
3.
Rev. méd. Chile
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Article
in Spanish
| LILACS
| ID: lil-14083