Authors: D J Alexander; P H Russell; G Parsons; E M Elzein; A Ballouh; K Cernik; B Engstrom; M Fevereiro; H J Fleury; M Guittet; E F Kaleta; U Kihm; J Kosters; B Lomniczi; J Meister; G Meulemans; K Nerome; M Petek; S Pokomunski; B Polten; M Prip; R Richter; E Saghy; Y Samberg; L Spanoghe; B Tumova Journal: Avian Pathol Date: 1985-07 Impact factor: 3.378