TY - SER AU - Heinemann,M.B. AU - Garcia,J.F. AU - Nunes,C.M. AU - Higa,Z.M.M. AU - Vasconcellos,S.A. AU - Richtzenhain,L.J. TI - Detection of Leptospira spp. from pure cultures and from experimentally contaminated bovine semen by polymerase chain reaction KW - BOVINO KW - LEPTOSPIROSE KW - SÊMEN KW - DNA KW - INSEMINAÇÃO ARTIFICIAL ER -