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Jose Lima Pedreira de Freitas

José Lima Pedreira de Freitas, Brazilian hygienist and parasitologist (Mococa, São Paulo State 12 January 1917 – Ribeirão Preto, São Paulo State 15 June  1966)
 
He was the foremost world authority on Chagas disease in his time
 
Authored nearly 70 works
 

Described a new antigen and improved a quantitative reaction of complement fixation for Chagas disease

With J.O. Almeida. Nova técnica de fixação de complemento para a moléstia de Chagas (reação quantitativa com antígeno “gelificado” de culturas de Trypanosoma cruzi. O Hospital (R. Janeiro) 35(6):787-800, 1949

With V. Nussenzweig, R. Sonntag , V.Amato Neto et al. proposed in vitro sterilization of blood employing gentian violet (1953)

Developed an innovative serological reaction for Chagas disease

With J. O. Almeida & A.F. Siqueira. Capacidade reativa específica do antígeno em reações de complemento para moléstia de Chagas. Anais Congr. Intern. Doença de Chagas 1:51-62, 1959