Cleveland Clinic Journal of Medicine - 77(5)

The complexities of vitamin D

Does vitamin D deficiency play a role in the pathogenesis of chronic heart failure? Do supplements improve survival?

Preventing and treating orthostatic hypotension: As easy as A, B, C

Noninvasive positive pressure ventilation: Increasing use in acute care

Making the most of currently available bowel preparations for colonoscopy

Laryngopharyngeal reflux: More questions than answers

A rash on the legs and palms

A rare complication of infective endocarditis