Goje, Santosh Kumar <br/><br/>
Longitudinal vs retrospective studies.  [electronic resource] 

 -  American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics  01 2017 
 - 10-11 p.  digital 
<br/><br/> Publication Type: Letter; Comment 
<br/><br/><label>ISSN: </label>1097-6752 
<br/><br/><label>Standard No.: </label>10.1016/j.ajodo.2016.09.010  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Longitudinal Studies<br/>Retrospective Studies