Please watch the below video on "How to use a Metered- Dose inhaler with a Spacer or valved Holding Chamber"

Reference-How to Use a Metered-Dose Inhaler with a Spacer or Valved Holding Chamber [video]. (n.d.). Www.Lung.org. Retrieved December 10, 2020, from https://www.lung.org/lung-health-diseases/lung-disease-lookup/asthma/patient-resources-and-videos/videos/how-to-use-a-metered-dose-inhaler

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