Hujoel, P P <br/><br/>
A survey of endpoint characteristics in periodontal clinical trials published 1988-1992, and implications for future studies.  [electronic resource] 

 -  Journal of clinical periodontology  May 1995 
 - 397-407 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S.; Review 
<br/><br/><label>ISSN: </label>0303-6979 
<br/><br/><label>Standard No.: </label>10.1111/j.1600-051x.1995.tb00167.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Outcome Assessment, Health Care--standards<br/>Periodontal Index<br/>Periodontitis--therapy<br/>Randomized Controlled Trials as Topic--methods<br/>Reproducibility of Results