English: Obverse of a Brazilian 50 cruzados banknote. The banknote featuring Oswaldo Gonçalves Cruz physician, pioneer bacteriologist, epidemiologist and public health officer. Left: microscope.
Português: Anverso de uma nota de 50 cruzados brasileira. A cédula com efigie de Oswaldo Gonçalves Cruz, médico, bacteriologista pioneiro, epidemiologista e oficial de saúde pública. Esquerda: microscópia.
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