Häkkänen, H <br/><br/>
Blink duration as an indicator of driver sleepiness in professional bus drivers.  [electronic resource] 

 -  Sleep  Sep 1999 
 - 798-802 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0161-8105 
<br/><br/><label>Standard No.: </label>10.1093/sleep/22.6.798  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Automobile Driving<br/>Blinking--physiology<br/>Disorders of Excessive Somnolence--etiology<br/>Humans<br/>Motor Vehicles<br/>Positive-Pressure Respiration--methods<br/>Random Allocation<br/>Severity of Illness Index<br/>Sleep Apnea Syndromes--complications<br/>Surveys and Questionnaires<br/>Time Factors