Skin Darkening in COVID-19 Patients: Case Series of Eight Patients in a Hemodialysis Unit. Pak J Kidney Dis [інтернет]. 31, Січень 2021 [цит. за 16, Вересень 2026];4(03). доступний у: http://pjkd.com.pk/index.php/pjkd/article/view/48