Investigation of Babesia sp in pygoscelid penguins at the South Shetland Islands - Vanstreels, Ralph Eric Thijl; Ferreira Junior, Francisco C; Dutra, Daniela de Angeli; Epiphanio, Sabrina; Braga, Érika M; Pistorius, Pierre A; Catão-Dias, José Luiz (Polar Research, 2018)