The role of metabolic factors in the association between obesity and cholelithiasis: A two-step, two-sample multivariable mendelian randomization study Xiangrong Xu; Jiawei Gao; Jun Sun; Ruiwen Liu; Wei Chen;

Characteristics of the oral glucose tolerance test in women with different pre-pregnancy body mass index and the effect of gestational diabetes mellitus on twin pregnancy outcomes Jinying Luo; Xiaoyan Geng; Jinfu Zhou; Shengnan Liang; Wei Zheng; Guanghui Li;

Prevalence of chronic pain in Brazil: A systematic review and meta-analysis Bruno Vitor Martins Santiago; Ana Beatriz Garcez de Oliveira; Gabriel Machado Romão da Silva; Maxuel de Freitas da Silva; Pedro Ernandes Bergamo; Maud Parise; Nivaldo Ribeiro Villela;