Searching for blood parasites in magellanic penguins (Spheniscus magellanicus) along the patagonian coast - Vanstreels, Ralph Eric Thijl; Uhart, Marcela; Amaku, Marcos; Rago, Virginia; Niemeyer, Claudia; Kutz, Susan; Catão-Dias, José Luiz (Wildlife Disease Association - WDA, 2012)