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- Biochemical changes in carbohydrate utilization during experimental African trypanosomiasis in the guinea pig
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- The biosynthesis of the 5,6-dimethylbenzimidazole moiety of vitamin b-12 produced by propionibacterium shermanii
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- Biting activity and breeding of black flies (Diptera: Simuliidae) in selected localities of colombia
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- The Bolivian MNR and the Mexican PRI: a structural-functional comparativeanalysis within the context of their respective political systems
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- The comparative cultural stratigraphy of formative complexes in the Maya area: a reappraisal in light of new evidence from Dzibilchaltun, Yucatan