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PENERAPAN TERAPI PURSED LIPS BREATHING PADA PASIEN PENYAKIT PARU OBSTRUKTIF KRONIK (PPOK): LITERATURE REVIEW. Medic Nutricia [Internet]. 2025 Dec. 22 [cited 2026 Oct. 23];21(4):601-10. Available from: https://ejournal.cibinstitut.com/index.php/medicnutricia/article/view/4483