Sun, vitamin D, and cardiovascular disease

Vitamin K-dependent proteins, warfarin, and vascular calcification.

Vitamin supplementation as possible prophylactic treatment against migraine with aura and menstrual migraine.

Low 25-Hydroxyvitamin D Predicts the Onset of Mobility Limitation and Disability in Community-Dwelling Older Adults: The Health ABC Study

Prevention of Falls in Community-Dwelling Older Adults: U.S. Preventive Services Task Force Recommendation Statement.

Long term treatment with metformin in patients with type 2 diabetes and risk of vitamin B-12 deficiency: randomised placebo controlled trial