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Bol. méd. Hosp. Infant. Méx
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48(4): 227-9, abr. 1991.
Article
in Spanish
| LILACS
| ID: lil-105111
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Southeast Asian J Trop Med Public Health
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1989 Mar; 20(1): 27-30
Article
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| IMSEAR
| ID: sea-32917