| http://www.w3.org/ns/prov#value | - The gas source is preferably connected to a control system or regulator or the like that permits the flow rate of the gas source to be carefully controlled and varied by means, such as valve assemblies and the like that are associated therewith (e.g., valve assembly within the gas conduit).The gas source can hold any number of different types of gases that are intended for inhalation by the patien
|
