A Lindra D, Savira, Mukhtar D, Umniyati H, Purwaningsih E, H Utomo AR, Yunus F. Optimal Finger Selection for Perfusion Index Measurement in Patients with Stable Chronic Obstructive Pulmonary Disease. International Journal of Pharmaceutical and Bio Medical Science [Internet]. 2026May1 [cited 2026Sep.25];6(05):983-8. Available from: https://ijhmr.ijhmr.ijhmr.com/index.php/ijpbms/article/view/972