Hemangioblasts from canine yolk sac: a source of stem cells? - Miglino, Maria Angélica; Ambrósio, Carlos Eduardo; Wenceslau, C. V; Carvalho, A. F; Pfarrer, Christiane; Leiser, Rudolf; Zucconi, E; Zatz, Mayana (International Symposium on Morphological Science, 2005)