Altman, D G <br/><br/>
Calculating the number needed to treat for trials where the outcome is time to an event.  [electronic resource] 

 -  BMJ (Clinical research ed.)  Dec 1999 
 - 1492-5 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Review 
<br/><br/><label>ISSN: </label>0959-8138 
<br/><br/><label>Standard No.: </label>10.1136/bmj.319.7223.1492  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clinical Trials as Topic<br/>Data Collection<br/>Prognosis<br/>Proportional Hazards Models<br/>Sample Size<br/>Survival Analysis