title: Electron microscopy of small lymphoid cells in the chronic type of equine infectious anemia.
mesh_terms: D000818:Animals; D002908:Chronic Disease; D004859:Equine Infectious Anemia / Q000473:pathology*; D006736:Horses; D008198:Lymph Nodes / Q000473:pathology; D008214:Lymphocytes; D008264:Macrophages; D008854:Microscopy, Electron; D010950:Plasma Cells; D013154:Spleen / Q000473:pathology