Evidence-based pain management for pediatric outpatients taking intramuscular injection of benzathine penicillin
Mei Jingjing, Chen Ling, Ning Jingyan, Wang Xiaoqin
International Medicine and Health Guidance News . 2022, (13): 1897 -1903 .  DOI: 10.3760/cma.j.issn.1007-1245.2022.13.025