title: Coexistence of particles resembling herpesvirus and type-C virus in feather follicle epithelium of chickens.
mesh_terms: D000818:Animals; D001353:Avian Leukosis / Q000382:microbiology; D002474:Cell-Free System; D002645:Chickens; D004848:Epithelium / Q000382:microbiology*; D005241:Feathers; D006564:Herpesviridae / Q000302:isolation & purification*; D008380:Marek Disease / Q000382:microbiology; D008854:Microscopy, Electron; D012190:Retroviridae / Q000302:isolation & purification*