1. Activation and fusion induced by 1-alpha, 25-dihydroxyvitamin D3 and their relation in alveolar macrophages;Abe;Proc. Natl. Acad. Sci. USA.,1984
2. Respiratory syncytial virus pneumonia in young calves: Clinical and pathological findings;Bryson;Am. J. Vet. Res.,1983
3. Experimental bovine respiratory syncytial virus infection in conventional calves;Castleman;Ultrastructural respiratory lesions. Am. J. Vet. Res.,1985
4. Multinucleate Giant Cells;Chambers;J. Path.,1978
5. Sur un facteur induit par le virus entrainant la formation de syncytium en culture cellulaire;Chany;Ann. Inst. Pasteur,1960