Pemberian Posisi Semi Fowler Meningkatkan Saturasi Oksigen Pasien PPOK. JOTING [Internet]. 2021 Apr. 15 [cited 2025 Oct. 1];3(1):128-35. Available from: https://www.ipm2kpe.or.id/journal.ipm2kpe.or.id/index.php/JOTING/article/view/2113