Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kunimoto Marin and Nagai Makoto and Imai Yasutomo and Natsuaki Masaru and Kanazawa Nobuo,A Case of Pellagra with the Low Serum Niacin Level Caused by Duodenal Ulcer,Hifu no kagaku,1347-1813,Meeting of Osaka Dermatological Association/Meeting of Keiji Dermatological Association,2023,22,1,36-41,https://cir.nii.ac.jp/crid/1390296343163875584,https://doi.org/10.11340/skinresearch.22.1_36