1Clinical efficacy of facial skin photoaging treatment with chemical peeling combined with intense pulsed light opt technologyBAHAR Guli Japa, WANG Chunyan, ALIMIRE Yilihamu, ZHOU Weijun, LI Chaoyang321-323,3282A comparative study on the treatment of depressed acne scars with ultra-pulsed fractional CO2 laser combined with three methodsLUO Yirong, LI Qiongfen, GUO Qun, YANG Yun, WANG Jihua324-3283Efficacy and safety study of CO2 fractional laser and Er:YAG fractional laser combined with topical application of com-pound zinc undecylenate triamcinolone acetonide ointment in the treatment of hyperplastic scarringJIANG Su, LI Dongxia, LYU Xinxiang, CUI Yanhong, LYU Liting329-332,3614Efficacy of fractional microneedle radiofrequency combined with botulinum toxin type A in the treatment of aging faceHE Guohui, YANG Shuai, MA Ling, DU Yu333-336,3475Research progress in the application of photoelectric technology for the treatment of acne inversaFANG Mingtong, CHEN Xueying, WANG Lianzhao337-341,3616Causal association between breast augmentation and breast cancer risk:a bidirectional two-sample mendelian randomiza-tion studyZHANG Shengze, YIN Yulai, ZHANG Xiaoyu342-3477Clinical study on the application of the double-layer method of superficial fascia behind the ear skin dilator implanted in auricle reconstructionSUN Wenjuan, MENG Qingfang, SUN Pengfei, LIN Ting348-3518Clinical efficacy of punch excision combined with electron beam radiotherapy for the treatment of hypertrophic scarZHANG Chengliang, HE Zeliang, YAO Yuanyuan, AN Liang'en, TENG Zhipeng, WU Zeyi, QIU Shulin, LI Xiaodong352-3559Bimaxillary protrusion:a retrospective study of anterior maxillary osteotomy combined with subapical mandibular osteotomyWANG Minglong, ZHANG Jianlin, LIN Defeng, LIU Antang356-36110Clinical observation of platelet-rich fibrin combined with the propeller skin flap of the posterior tibial artery perforating branch in the treatment of soft tissue defects in the lower limbLIANG Feiteng, LI Shuxiao, WEI Xuehan, LU Liu, TANG Qiang362-365,38411A comparative study of fiberoptic lipolysis-assisted liposuction and traditional negative pressure liposuction in the treatment of upper arm fat accumulationYAN Qinglong, FAN Jing, FENG Qing, CAO chuan, SHI Siyan, SHI Siyin, ZHANG Yonghong, SHI Simei366-36812Comparative efficacy of hyaluronic acid and collagen in lower eyelid rejuvenationGUI Wanli, ZOU Qipa, FAN Xuedong, ZHANG Ke369-371,37913Research progress of crosslinking agents for hyaluronic acidCHEN Tianyu, YUAN Jilong372-375,37914Research progress and prevention of subclinical infection in breast implant surgery with capsule contractureLIU Wenjing, FAN Dongli, SHI Xiaohua376-37915Research advances in iatrogenic facial overfilled syndromeSUN Chenzhe, YANG Changsheng, AN Yang380-384 