GAMBARAN RISIKO TERJADINYA PENYAKIT PARU OBSTRUKTIF KRONIS PADA PEMAIN BRASS INSTRUMENT MARCHING BAND SMA DI DENPASAR - Putra, I Made Andika Tresnanda (Bachelor of Physiotherapy and Physiotherapy Profession Study Program, Faculty of Medicine, Udayana University in collaboration with Indonesian Physiotherapy Association (IPA), 2022)