The self-medication behaviors of residents and the factors related to the consideration of drug efficacy and safety—A cross-sectional study in China oleh Pu Ge, Zi-Wei Zhang, Jin-Zi Zhang, Ke Lyu, Yu-Yao Niu, Yu-Ting Tong, Ping Xiong, Rong Ling, Qi-Yu Li, Wen-Li Yu, He-Wei Min, Yu-Qian Deng, Yu-Jia Wang, Xiao-Nan Sun, Xin-Ying Sun, Lian Yu, Yi-Bo Wu