Nurkholis, Fathur, Resti Ariani, Awal Prasetyo, Rina Puspita`, Udadi Sadhana, Ika Pawitra Miranti, and Hermawan Istiadi. “Comparing the Pulmonary-Spirometry In Laboratory Workers Who Wear Acchadana® and KN95® Masks”. Medica Hospitalia : Journal of Clinical Medicine 11, no. 2 (July 31, 2024): 160–166. Accessed December 11, 2024. http://medicahospitalia.rskariadi.co.id/medicahospitalia/index.php/mh/article/view/1076.