Friend, Milton Field manual of wildlife diseases : general field procedures and diseases of birds / Milton Friend and J. Christian Franson. - Washington, DC, USA : U.S. Geological Survey, 1999. - 426 p. ; il., fotografĂas ; 28 cm. InglĂ©s ISBN: 0607880961 Subjects--Index Terms: Avian diseases Enfermedades de aves Dewey Class. No.: 636.089