TY - GEN AU - De Boer,G F AU - Terpstra,C AU - Houwers,D J AU - Hendriks,J TI - Studies in epidemiology of maedi/visna in sheep SN - 0034-5288 PY - 1981///1122 KW - Animals KW - Complement Fixation Tests KW - Female KW - Metastrongyloidea KW - microbiology KW - Pneumonia, Progressive Interstitial, of Sheep KW - epidemiology KW - Sheep KW - Visna-maedi virus N1 - Publication Type: Journal Article ER -