Pigmentation (melanosis) of the colon Stock Image Science Source Images Rapid point of care HCV RNA quantification in capillary whole blood for diagnosing chronic HCV infection, monitoring treatment and detecting reinfection Diagnosis and Management of Hepatitis C Virus Infection Ronita Mukherjee, Andrew Burns, Diane Rodden, Frances Chang, Manita Chaum, Nancy Garcia, Nikitha Bollipalli, Angelika Niemz, 2015 Melanosis coli: a case report The Egyptian Journal of Internal Medicine Springer Nature Link Brilliant Colonic Adenoma in Melanosis Coli Indian Journal of Surgery Springer Nature Link