New interventional procedures: efficacy, safety and training.
Johnson
A G
AG
Department of Surgical and Anaesthetic Sciences, Royal Hallamshire Hospital, Sheffield, United Kingdom.
D017081:Cholecystectomy, Laparoscopic / Q000592:standards; D004992:Ethics, Medical; D005069:Evaluation Studies as Topic; D013502:General Surgery / Q000193:education*; D006801:Humans; D010535:Laparoscopy / Q000592:standards*; D016032:Randomized Controlled Trials as Topic; D012449:Safety