title: Epizootic neoplasms in the clam Macoma balthica (L.) from Chesapeake Bay.
mesh_terms: D000818:Animals; D001485:Basement Membrane; D049872:Bivalvia; D004196:Disease Outbreaks; D004847:Epithelial Cells; D005880:Gills / Q000473:pathology; D008396:Maryland; D009369:Neoplasms / Q000453:epidemiology / Q000209:etiology / Q000401:mortality / Q000473:pathology / Q000662:veterinary*; D012621:Seasons