title: Preliminary electron microscope study on virus-like particles in a spontaneous mammary tumor of collared lemming.
mesh_terms: D000230:Adenocarcinoma / Q000382:microbiology*; D000818:Animals; D004721:Endoplasmic Reticulum / Q000382:microbiology; D005260:Female; D007181:Inclusion Bodies, Viral; D008321:Mammary Glands, Animal / Q000382:microbiology; D008325:Mammary Neoplasms, Experimental / Q000382:microbiology*; D008854:Microscopy, Electron; D012377:Rodentia