Prevalence of rheumatoid arthritis in low- and middle-income countries: A systematic review and analysis

Igor Rudan, Simrita Sidhu, Angeliki Papana, Shi-Jiao Meng, Yu Xin–Wei, Wei Wang, Ruth M. Campbell–Page, Alessandro Rhyll Demaio, Harish Nair, Devi Sridhar, Evropi Theodoratou, Ben Dowman, Davies Adeloye, Azeem Majeed, Josip Car, Harry Campbell, Wei Wang, Kit Yee Chan, Global Health Epidemiology Reference Group (GHERG)