Placing ticks in ear sacs. Seção de vírus do Instituto Butantan, São Paulo
Placa para indicar limites de divisão e zona
Pistola DeVilbiss Tipo G.S.
Pisando cacau, zona Rio de Contas, sul da Bahia
Physiography of upper Northeast Brazil
Physiography of upper Northeast Brazil
Physiography of upper Northeast Brazil
Philander opossum
Philander opossum
Philander opossum
pH stability of the french pantropic strain of yellow fever virus in monkey serum
pH stability of the french neurotropic strain of yellow fever virus in mouse brain
pH stability of the Asibi pantropic strain of yellow fever virus in monkey serum
pH stability of the 17D strain of yellow fever virus
pH stability of first mouse brain passage french pantropic virus
pH stability of first mouse brain passage french pantropic virus
pH stability of first mouse brain passage Asibi pantropic virus
pH stability of first mouse brain passage Asibi pantropic virus
pH stability of first mouse brain passage 17D virus
pH stability of first mouse brain passage 17D virus
pH stability of first chick embryo passage french neurotropic virus
Pessoas em fila para vacinação em Taubaté (SP)
Pescadores na praia de Ponta Negra
Perfil de um suporte de mesa para microscópio e planta da mesma
Perfil de Fred Lowe Soper
Percentagem de mosquitos capturados por mês em relação a chuvas em Passos (MG)
Per cent distribution of results obtained in the young mouse test for sera collected from persons in the Yellow Fever Service
Per cent distribution of results obtained in the standart test for sera collected from persons in the yellow fever service
Pequena amassadeira de barro com tração animal, em movimento
Pensão operária
