Donaldson, A I Air sampling of pigs infected with foot-and-mouth disease virus: comparison of Litton and cyclone samplers. [electronic resource] - Research in veterinary science Nov 1982 - 384-5 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0034-5288 Subjects--Topical Terms: Air MicrobiologyAnimalsAphthovirus--isolation & purificationFoot-and-Mouth Disease--transmissionMicrobiological Techniques--instrumentationSwineSwine Diseases--transmission