A call to the IDEAL.
Graham
Andrew
A
The Division of Thoracic Surgery, Foothills Medical Centre, Calgary, Alta. andrew.graham@calgaryhealthregion.ca
D035843:Biomedical Research; D002170:Canada; D013502:General Surgery; D016032:Randomized Controlled Trials as Topic; D013514:Surgical Procedures, Operative / Q000592:standards* / Q000639:trends