Altitudinal assessment of Amblyomma aureolatum and Amblyomma ovale (Acari: Ixodidae), vectors of spotted fever group rickettsiosis in the State of São Paulo, Brazil - Barbieri, Jonata M; Rocha, Christiane M. B. M da; Bruhn, Fábio Raphael P; Cardoso, Dênis L; Pinter, Adriano (Journal of Medical Entomology, 2015)