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3. Hematologic and coagulation studies in various animal species;Didisheim;J. Lab. clin. Med.,1959
4. Adrenal functions of the opossum;Hartman;Endocrinol.,1943
5. Hemograms of laboratory confined opossums (Didelphis virginiana);Mays;J. Am. vet. med. Assoc.,1968