title: Castell v. De Greef.
mesh_terms: D030881:Disclosure; D013502:General Surgery; D006801:Humans; D007258:Informed Consent; D007603:Jurisprudence; D008318:Malpractice; D010361:Patients; D010820:Physicians; D012015:Reference Standards; D012306:Risk; D018570:Risk Assessment; D013019:South Africa