Axén, Iben <br/><br/>
Using few and scattered time points for analysis of a variable course of pain can be misleading: an example using weekly text message data.  [electronic resource] 

 -  The spine journal : official journal of the North American Spine Society  Aug 2014 
 - 1454-9 p.  digital 
<br/><br/> Publication Type: Journal Article; Observational Study; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1878-1632 
<br/><br/><label>Standard No.: </label>10.1016/j.spinee.2013.08.035  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Aged<br/>Data Collection--methods<br/>Female<br/>Humans<br/>Leg<br/>Logistic Models<br/>Low Back Pain--diagnosis<br/>Male<br/>Middle Aged<br/>Multilevel Analysis<br/>Outcome Assessment, Health Care<br/>Pain--diagnosis<br/>Pain Measurement--methods<br/>Research Design<br/>Sweden<br/>Text Messaging<br/>Time Factors<br/>Young Adult