title: The thymus glands and lymphosarcoma in the pike, Esox lucius L. (pisces; esocidae) in Ireland.
mesh_terms: D000818:Animals; D005393:Fish Diseases / Q000209:etiology*; D005399:Fishes; D007494:Ireland; D008228:Lymphoma, Non-Hodgkin / Q000473:pathology / Q000662:veterinary*; D009368:Neoplasm Transplantation; D013194:Staining and Labeling; D013950:Thymus Gland / Q000473:pathology*