{Reference Type}: Journal Article {Title}: Progress and challenges of network meta-analysis. {Author}: Tian J;Gao Y;Zhang J;Yang Z;Dong S;Zhang T;Sun F;Wu S;Wu J;Wang J;Yao L;Ge L;Li L;Shi C;Wang Q;Li J;Zhao Y;Xiao Y;Yang F;Fan J;Bao S;Song F; {Journal}: J Evid Based Med {Volume}: 14 {Issue}: 3 {Year}: Sep 2021 {Factor}: 6.224 {DOI}: 10.1111/jebm.12443 {Abstract}: In the past years, network meta-analysis (NMA) has been widely used among clinicians, guideline makers, and health technology assessment agencies and has played an important role in clinical decision-making and guideline development. To inform further development of NMAs, we conducted a bibliometric analysis to assess the current status of published NMA methodological studies, summarized the methodological progress of seven types of NMAs, and discussed the current challenges of NMAs.