Evolutionary trends in the prevalence of anti-HDV antibodies among patients positive for HBsAg referred to a national laboratory in Cameroon from 2012 to 2017. - Noubissi-Jouegouo, Laurence; Atsama, Marie Amougou; Tagnouokam-Ngoupo, Paul Alain; Monamele, Chavely Gwladys; Ngono, Laure; Njouom, Richard (BMC Research Notes, 2019)