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