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机译:Impact of 3-monthly vitamin D supplementation plus exercise on survival after surgery for osteoporotic hip fracture in adult patients over 50 years: A pragmatic randomized, partially blinded, controlled trial
Hosp Santa Creu & Sant Pau, Internal Med Dept, C St Antoni Ma Claret 167, Barcelona 08025, Spain;
Hosp Santa Creu & Sant Pau, Orthoped Surg Dept, Barcelona, Spain;