Massongo, Massongo, CF Ekono Bitchong, R Bassogbag, and E Afane Ze. “The Epworth Sleepiness Scale’s Completeness Difficulties in an Urban Cameroonian Population”. HEALTH SCIENCES AND DISEASE 21, no. 6 (May 20, 2020). Accessed May 3, 2024. http://hsd-fmsb.org/index.php/hsd/article/view/2052.