Onuoha, Onyi C <br/><br/>
The incidence of un-indicated preoperative testing in a tertiary academic ambulatory center: a retrospective cohort study.  [electronic resource] 

 -  Perioperative medicine (London, England)  2015 
 - 14 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>2047-0525 
<br/><br/><label>Standard No.: </label>10.1186/s13741-015-0023-y  doi