Reply: Utility of a Mask with a Spacer to Deliver the Contents of a Metered Dose Inhaler.
Volerman A, Balachandran U, Siros M, Akel M, Press VG. Reply: Utility of a Mask with a Spacer to Deliver the Contents of a Metered Dose Inhaler. Ann Am Thorac Soc. 2021 03; 18(3):553.