Ribeiro Netto A, Nikitin T, Ribeiro LF, Valentini H. Q Fever study in São Paulo, Brasil. IV – Follow up of non-reacting cattle in infected herds. Rev. Inst. Med. Trop. São Paulo. 1966;8(4):157-161. Accessed May 20, 2024. https://www.revistas.usp.br/rimtsp/article/view/201930