Keywords: Diseases of Swine 17-3.png en 17 3 Cryostat-microtome sections of tissues from PPV-infected 8-week-old pigs examined by IF microscopy ×312 5 A Viral antigen in germinal center tonsil B Viral antigen in osteogenic layer of periosteum rib a connective tissue b cortical bone c marrow cavity Diseases of Swine 8th edition W L Mengeling W L Mengeling According to its copyright statement Copyright is not claimed for Chapters 17 23 25 31 and 64 which are in the public domain Diseases and disorders of pigs |