Prevalence and factors associated with psychological distress among key populations in Nigeria. - Ochonye, Bartholomew; Emmanuel, Godwin; Abang, Roger; Sanni, Olaniyi Felix; Umoh, Paul; Kalaiwo, Abiye; Mwoltu, Nanribet; Amechi, Paul; Motilewa, Olugbemi (PLoS ONE, 2024)