Gerhard, Charlotte Persistent Increase in Serum 25-Hydroxyvitamin D Concentration in a Dog Following Cholecalciferol Intoxication. [electronic resource] - Frontiers in veterinary science 2019 - 472 p. digital Publication Type: Case Reports; Journal Article ISSN: 2297-1769 Standard No.: 10.3389/fvets.2019.00472 doi