Ledrick, D <br/><br/>
Two plus two.  [electronic resource] 

 -  Academic emergency medicine : official journal of the Society for Academic Emergency Medicine  Nov 2000 
 - 1336 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>1069-6563 
<br/><br/><label>Standard No.: </label>10.1111/j.1553-2712.2000.tb00487.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Career Choice<br/>Emergency Medicine--education<br/>Humans<br/>Internship and Residency--statistics & numerical data<br/>Reproducibility of Results<br/>School Admission Criteria<br/>Sensitivity and Specificity<br/>Statistics as Topic