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Pharmacologic Therapy for Vitamin D Deficiency - AAFP
Vitamin D Deficiency: Causes, Symptoms & Treatment - Cleveland Clinic
Vitamin D deficiency in adults - UpToDate
Vitamin D - Mayo Clinic
Vitamin D Dosing: Basic Principles and a Brief Algorithm ...
Vitamin D Deficiency: Symptoms, Causes, and Treatment
Vitamin D for the Prevention of Disease | Endocrine Society
Patient education: Vitamin D deficiency (Beyond the Basics)
Vitamin D Deficiency: Causes, Symptoms & Health Risks - WebMD
Vitamin D Deficiency: Causes, Symptoms, and Treatment - Patient