Thas, I A retrospective study of tumours in black-tailed prairie dogs (Cynomys ludovicianus) submitted to a zoological pathology service. [electronic resource] - Journal of comparative pathology - 368-75 p. digital Publication Type: Journal Article ISSN: 1532-3129 Standard No.: 10.1016/j.jcpa.2012.01.016 doi Subjects--Topical Terms: AnimalsFemaleMaleNeoplasms--diagnosisNeoplasms, Multiple Primary--epidemiologyRetrospective StudiesRodent Diseases--epidemiologySciuridaeWashington--epidemiology