1. Incidence of pediatric metachronous contralateral inguinal hernia and the relationship with contralateral patent processus vaginalis
   Yanan Li et al, 2019, Surgical Endoscopy CrossRef
2. The advantages of transumbilical single-site laparoscopic percutaneous extraperitoneal closure for inguinal hernia in 1583 children
   Zhilin Yang et al, 2018, Surgical Endoscopy CrossRef
3. Tratamiento quirúrgico de las anomalías del conducto peritoneovaginal infantiles
   Y. Teklali et al, 2017, EMC - Urología CrossRef
4. Independent risk factors for contralateral patent processus vaginalis undetected by pre-operative ultrasonography in boys with unilateral inguinal hernia
   Hyun-uk Jo et al, 2019, Pediatric Surgery International CrossRef