Bing found the following results
Respiratory Failure: Causes, Symptoms & Treatment - Cleveland Clinic
Respiratory Failure - What Is Respiratory Failure? | NHLBI, NIH
Respiratory Failure - WebMD
Respiratory failure - Wikipedia
Acute Respiratory Failure: Causes, Symptoms, and Diagnosis - Healthline
Respiratory Failure - Lung and Airway Disorders - The Merck …
Respiratory Failure | Johns Hopkins Medicine
Overview of Respiratory Failure - Critical Care Medicine - Merck …
Respiratory Failure | Lung Disease | Lung Problems | MedlinePlus
Acute Hypoxemic Respiratory Failure (AHRF, ARDS)