Liu, T <br/><br/>
Emergency medical care: types, trends, and factors related to nonurgent visits.  [electronic resource] 

 -  Academic emergency medicine : official journal of the Society for Academic Emergency Medicine  Nov 1999 
 - 1147-52 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>1069-6563 
<br/><br/><label>Standard No.: </label>10.1111/j.1553-2712.1999.tb00118.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Aged<br/>Chi-Square Distribution<br/>Confidence Intervals<br/>Emergency Medicine--standards<br/>Emergency Service, Hospital--statistics & numerical data<br/>Female<br/>Health Care Surveys<br/>Health Services Misuse--statistics & numerical data<br/>Humans<br/>Logistic Models<br/>Male<br/>Middle Aged<br/>Odds Ratio<br/>United States