Transmission of Anaplasma marginale with adult Boophilus microplus ticks fed as nymphs on calves with different levels of rickettsaemiaD.H. Aguirre, A.B. Gaido, A.E. Vinabal, S.T. De Echaide and A.A. GuglielmoneParasite, 1 4 (1994) 405-407DOI: https://doi.org/10.1051/parasite/1994014405