TY - CPAPER AU - Piotr Niewitecki TI - Patterns of HEV circulation on various types of pig farms in Poland T2 - International Pig Veterinary Society Congress DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2018 DA - 2018/06/11 L1 - https://www.aasv.org/library/swineinfo/Content/IPVS/2018/Oral (0095-0259)/0224-Niewitecki_P.pdf SE - Virology & Viral Diseases (oral) ER -