Pre-infection 25-hydroxyvitamin D3 levels and association with severity of COVID-19 illness | PLOS ONE
Do I have a vitamin D deficiency? | Livi
Do You Really Need to Take Vitamin D Supplements? – Cleveland Clinic
Vitamin D Deficiency | NEJM
Vitamin D Overdose
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8 Vitamin D Benefits—and How to Get More D in Your Diet
Vitamin D3 and B12 deficiency is a silent epidemic; linked to your immune system, brain and hormonal health | The Times of India
Vitamin D: Causes of Deficiency, Symptoms, Treatment | Narayana Health
Osteomalacia: What Is It, Causes, Symptoms, and More | Osmosis
Vitamin D Deficiency and Related Disorders: Practice Essentials, Background, Pathophysiology
Sunlight, dietary habits, genetic polymorphisms and vitamin D deficiency in urban and rural infants of Bangladesh | Scientific Reports
Osteomalacia: Vitamin D Deficiency and Bone Pain
Hypervitaminosis D: Causes, symptoms, diagnosis, and treatment
Vitamin D deficiency: Causes, symptoms, and treatment
Vitamin D deficiency in Nepal - Causes &Treatment | CLINIC ONE
Vitamin D Myths 'D'-bunked > News > Yale Medicine
Can Too Much Vitamin D Cause Hypercalcemia? | Dr. Larian
Can you have too much Vitamin D? | Holland & Barrett
Vitamin D and your health: Breaking old rules, raising new hopes - Harvard Health
Vitamin D Deficiency – GP Gateway
What Are the Possible Health Benefits of Vitamin D? | Everyday Health
Clinical Practice Guidelines : Vitamin D deficiency
Low Vitamin D and Insulin Resistance | ADA
Should everyone be taking vitamin D? - BBC Future
Vitamin D deficiency - Wikipedia
