Williams, G W <br/><br/>
Recruitment experience in the Nocturnal Oxygen Therapy Trial.  [electronic resource] 

 -  Controlled clinical trials  Dec 1987 
 - 121S-130S p.  digital 
<br/><br/> Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0197-2456 
<br/><br/><label>Standard No.: </label>10.1016/0197-2456(87)90015-8  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clinical Trials as Topic--methods<br/>Humans<br/>Lung Diseases, Obstructive--therapy<br/>Night Care<br/>Oxygen Inhalation Therapy<br/>Patient Compliance<br/>Patients<br/>Random Allocation<br/>Sampling Studies