UJI EFEKTIFITAS TEKNIK PERNAFASAN PURSED LIP BREATHING DENGAN DEEP BREATHING TERHADAP SKOR CAT DAN NILAI SATURASI OKSIGEN PASIEN PPOK. Medic Nutricia : Journal Ilmu Kesehatan, [S. l.], v. 24, n. 1, 2026. DOI: https://doi.cibangsa.org/DOI-2026-290. Disponível em: https://journal.cib.institute/index.php/nutricia/article/view/4493. Acesso em: 18 oct. 2026.