title: 'Challenge' and 'threat' states in surgery: implications for surgical performance and training.
authors: Exeter Surgical Health Services Research Unit, Royal Devon and Exeter NHS Trust, Exeter, Devon, UK. johnmcgrath@doctors.org.uk
authors: John S
authors: JS
authors: McGrath
authors: Lee
authors: L
authors: Moore
authors: Mark R
authors: MR
authors: Wilson
authors: Paul
authors: P
authors: Freeman
authors: Samuel
authors: S
authors: Vine
mesh_terms: D002983:Clinical Competence / Q000592:standards*; D013502:General Surgery / Q000193:education / Q000592:standards*; D006801:Humans; D009784:Occupational Diseases / Q000209:etiology*; D013315:Stress, Psychological / Q000209:etiology*