Learning curve of peroral endoscopic pyloromyotomy for the treatment of infant hypertrophic pyloric stenosis

Chen Zhiwei, Zhang Youxiang, Wang Lina, Ou Qiaoqun
International Medicine and Health Guidance News . 2023, (19): 2665 -2668 .  DOI: 10.3760/cma.j.issn.1007-1245.2023.19.001

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