| | Table of contents Mem. Inst. Oswaldo Cruz vol.24 no.4 Rio de Janeiro Dec. 1930 Contribution to the knowledge of brazilian batrachians: Taxonomy and biology of the Elosiinae Lutz, Adolpho
| | | Pesquizas helminthologicas realisadas em Hamburgo: VIII. informações sobre o genero Pleurogenes Looss, 1896: (Nematoda: Lecithodendriidae) Travassos, Lauro
| | | Elimination of potassium iodide in some cases of simple endemic goitre Villela, Gilberto G.
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