A total of 2503 documents were retrieved in PubMed, Web of Science, Embase and Cochrane Library. After screening, a total of 11 relevant documents were included, as shown in Fig. 1 for details [9,10,11,12,13,14,15,16,17,18,19].
Reference…
The effects of combined calcium and vitamin D supplementation on bone mineral density and fracture risk in postmenopausal women with osteoporosis: a systematic review and meta-analysis of randomized controlled trials | BMC Musculoskeletal Disorders
