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1959 (Dec.28) Brazilian scientist Manuel Pirajá da Silva (1v) - Да Сильва, 50-летие описания Schisostoma mansoni (1м.) - Cinquentenario da Descoberta do Schistosoma mansoni (Threadworm)

(Sc.)(Mi.)(Yv.1600)(SG )  2.50 Manuel Pirajá da Silva, Schistosoma mansoni 01314

[Manuel Pirajá da Silva (1873-1961), microscopist and historian, in 1908 discovered and identified Schisostoma mansoni (a blood fluke)]

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