QTLbase2: an enhanced catalog of human quantitative trait loci on extensive molecular phenotypes. - Dandan Huang; Xiangling Feng; Hongxi Yang; Jianhua Wang; Wenwen Zhang; Xutong Fan; Xiaobao Dong; Kexin Chen; Ying Yu; Xin Ma; Xianfu Yi; Mulin Jun Li (Nucleic Acids Res., 2023)