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; 24(2): 119-21, abr.-jun. 1987.
Article
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| LILACS
| ID: lil-57312
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Arq. gastroenterol
; 22(4): 212-5, out.-dez. 1985. ilus
Article
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| LILACS
| ID: lil-28610
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Arq. gastroenterol
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Article
in Portuguese
| LILACS
| ID: lil-1611
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Arq. gastroenterol
; 22(1): 45-8, jan.-mar. 1985. ilus
Article
in Portuguese
| LILACS
| ID: lil-1488