Rayegani, S. M. .; Jafarian, N. .; Raeissadat, S. A. .; Hojjati, F. .; Sazegar, M. . An Investigation of the Prevalence of Musculoskeletal Pain in Medical Staff in Three University Hospitals of Tehran, Iran: A Cross-Sectional Study. JPMRE 2019, 1, 188-193.