article_metadata: Akanksha Agrawal Deepanshu Jain Vivian Arguello Daniel Sher
article_metadata: 10.1155/2017/4270248
article_metadata: Case Rep Gastrointest Med
article_metadata: 2017;2017:4270248.
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/29270323/
article_metadata: Case Reports
article_metadata: PMC5705894
article_metadata: 29270323
article_metadata: Hyperplastic Polyps and Gastroduodenal Pseudomelanosis
article_metadata: 2017