Chronic obstructive pulmonary disease (COPD) literacy among traffic police in Kathmandu, Nepal: A cross-sectional study. - Niroula S; Paudel K; Bhattarai G; Wagle S; Shah S; Rana A; Parajuli D; Dangol R; Bhatta N; Dhakal R; Adhikari A; Bhurtyal A (Medicine, 2026)