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Practice

Refractory hypercalcemia owing to vitamin A toxicity in a 4-year-old boy

Melissa Lorenzo, Maxime Nadeau, Jennifer Harrington and Peter J. Gill
CMAJ June 22, 2020 192 (25) E671-E675; DOI: https://doi.org/10.1503/cmaj.191568
Melissa Lorenzo
Divisions of Paediatric Medicine (Lorenzo, Gill) and Endocrinology (Harrington), Department of Paediatrics, The Hospital for Sick Children and University of Toronto; Division of Clinical Pharmacology and Toxicology (Nadeau), Department of Medicine, University of Toronto, Toronto, Ont.
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Maxime Nadeau
Divisions of Paediatric Medicine (Lorenzo, Gill) and Endocrinology (Harrington), Department of Paediatrics, The Hospital for Sick Children and University of Toronto; Division of Clinical Pharmacology and Toxicology (Nadeau), Department of Medicine, University of Toronto, Toronto, Ont.
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Jennifer Harrington
Divisions of Paediatric Medicine (Lorenzo, Gill) and Endocrinology (Harrington), Department of Paediatrics, The Hospital for Sick Children and University of Toronto; Division of Clinical Pharmacology and Toxicology (Nadeau), Department of Medicine, University of Toronto, Toronto, Ont.
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Peter J. Gill
Divisions of Paediatric Medicine (Lorenzo, Gill) and Endocrinology (Harrington), Department of Paediatrics, The Hospital for Sick Children and University of Toronto; Division of Clinical Pharmacology and Toxicology (Nadeau), Department of Medicine, University of Toronto, Toronto, Ont.
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