Chan, M T V <br/><br/>
Chronic postsurgical pain in the Evaluation of Nitrous Oxide in the Gas Mixture for Anaesthesia (ENIGMA)-II trial.  [electronic resource] 

 -  British journal of anaesthesia  Dec 2016 
 - 801-811 p.  digital 
<br/><br/> Publication Type: Journal Article; Randomized Controlled Trial 
<br/><br/><label>ISSN: </label>1471-6771 
<br/><br/><label>Standard No.: </label>10.1093/bja/aew338  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Aged, 80 and over<br/>Anesthesia--methods<br/>Anesthetics, Inhalation--therapeutic use<br/>Chronic Pain--drug therapy<br/>Female<br/>Hong Kong<br/>Humans<br/>Interviews as Topic<br/>Male<br/>Middle Aged<br/>Nitrous Oxide--therapeutic use<br/>Pain, Postoperative--drug therapy<br/>Treatment Outcome