Doppler ultrasonography of the pectinis oculi artery in harpy eagles (Harpia harpyja) Journal title: Open Veterinary Journal Authors: Wanderlei de Moraes| Universidade Federal do ParanĂ¡ (UFPR), Departamento de Medicina VeterinĂ¡ria, Ru... Subject(s): Biochemistry, Immunology, Microbiology, Parasitology, Veterinary Science, Endocrinology, Pathology and Forensics