Kim, Dong Yeop Juvenile Polyp associated with Hypovolemic Shock Due to Massive Lower Gastrointestinal Bleeding. [electronic resource] - Pediatric gastroenterology, hepatology & nutrition Nov 2019 - 613-618 p. digital Publication Type: Case Reports; Journal Article ISSN: 2234-8646 Standard No.: 10.5223/pghn.2019.22.6.613 doi