Immunological survey of babesiosis (Babesia peircei) and toxoplasmosis in Jackass penguins in South AfricaT.K. Graczyk, J.J. Brossy, M.L. Sanders, J.P. Dubey, A. Plös and M.K. StoskopfParasite, 3 4 (1996) 313-319DOI: https://doi.org/10.1051/parasite/1996034313