article_metadata: Bita Geramizadeh Fatemeh Asadian Alireza Taghavi
article_metadata: 10.5812/ircmj.7820
article_metadata: Iran Red Crescent Med J
article_metadata: 2014 Jan;16(1):e7820.
article_metadata: melanosis mouth opium
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/24719715/
article_metadata: Case Reports
article_metadata: PMC3964433
article_metadata: 24719715
article_metadata: Esophageal melanocytosis in oral opium consumption
article_metadata: 2014