Dirofilaria immitis in hunting dogs from an area in Maryland.
D000367:Age Factors; D000818:Animals; D004184:Dirofilariasis / Q000453:epidemiology / Q000662:veterinary*; D004283:Dog Diseases / Q000453:epidemiology*; D004285:Dogs; D005370:Filarioidea / Q000302:isolation & purification; D008396:Maryland