Donovan, Lucas M <br/><br/>
Defining Exposure and Nonexposure in Observational Studies of Sleep Apnea Treatment.  [electronic resource] 

 -  JAMA otolaryngology-- head & neck surgery  Oct 2019 
 - 982-983 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>2168-619X 
<br/><br/><label>Standard No.: </label>10.1001/jamaoto.2019.1880  doi