Global Oxygen Therapy Equipment Market , By Product {Oxygen Source (Concentrator, Cylinder), Delivery Devices}; Portability (Stationary, Portable); Application (COPD, Asthma, Cystic Fibrosis, Pneumonia); End User (Hospital, Home Care);Geography (North America, Europe, Asia-Pacific, Europe, South America, Middle East and Africa) – Industry Trends and Forecast to 2024