Arnold, R W <br/><br/>
The effect of wrist rest, caffeine, and oral timolol on the hand steadiness of ophthalmologists.  [electronic resource] 

 -  Annals of ophthalmology  Jul 1993 
 - 250-3 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0003-4886 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Administration, Oral<br/>Caffeine--pharmacology<br/>Double-Blind Method<br/>Female<br/>Hand--physiology<br/>Heart Rate--drug effects<br/>Humans<br/>Internship and Residency<br/>Male<br/>Microsurgery--methods<br/>Movement--drug effects<br/>Ophthalmology--instrumentation<br/>Placebos<br/>Prospective Studies<br/>Timolol--pharmacology