☆
4.6
Article
Vitamin D status is associated with bone mineral density and functional exercise capacity in patients with chronic obstructive pulmonary disease
ANNALS OF MEDICINE (2013)
Rate this paper
The primary rating indicates the level of overall quality for the paper. Secondary ratings independently reflect strengths or weaknesses of the paper.
Become a Peeref-certified reviewer
The Peeref Institute provides free reviewer training that teaches the core competencies of the academic peer review process.
Get StartedAsk a Question. Answer a Question.
Quickly pose questions to the entire community. Debate answers and get clarity on the most important issues facing researchers.
Get Started