Vitamin d and calcium supplementation improves physical function in the severely obese: a controlled clinical trial
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A. Khattak; T. Ahern; E. O'Malley; C. Dunlevy; M. T. Kilbane; M. J. McKenna; D. O'Shea
Vitamin d and calcium supplementation improves physical function in the severely obese: a controlled clinical trial Irish journal of medical science