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By: Sierra, J. M. Romero. - Universidad Central De Venezuela. - London School of Hygiene and Tropical Medicine.Edition:Publication info: Caracas, Herrera Irigoyen, 1907Volume:Series:Holding Institution: London School of Hygiene & Tropical Medicine Library & Archives ServiceSubjects:BHL Collections:
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By: Sierra, J. M. Romero. - London School of Hygiene and Tropical Medicine.Edition:Publication info: Caracas, Guttenberg, 1911Volume:Series:Holding Institution: London School of Hygiene & Tropical Medicine Library & Archives ServiceSubjects:BHL Collections: Publicaciones en Español
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By: Sierra, J. M. Romero.Type: ArticleIn: The Journal of parasitologyVolume: 5Series:Issue: 2Date: 1918-12Page Range: 80--83Publication Info: Chicago [etc.],Subjects: