title: Most of the time, P is an unreliable marker, so we need no exact cut-off.
authors.affiliation: Edinburgh, UK g.b.drummond@ed.ac.uk.
authors.forename: G B
authors.initials: GB
authors.lastname: Drummond
mesh_terms: D000758:Anesthesia; D000776:Anesthesiology; D015415:Biomarkers; D012106:Research
chemical_list: D015415:Biomarkers