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Diakses pada 28 April 2020Healthline. https://www.healthline.com/health/oxygen-therapy
Diakses pada 28 April 2020Vitality Medical. https://www.vitalitymedical.com/cylinders-regulators.html
Diakses pada 28 April 2020Air Products. https://www.airproducts.com/~/media/Files/PDF/company/safetygram-12.pdf
Diakses pada 28 April 2020Resmed. https://www.resmed.com/ap/en/healthcare-professional/diagnosis-and-treatment/respiratory-care/treatments/hfot.html
Diakses pada 28 April 2020