title: Informed consent should not be obtained under duress.
authors.affiliation: Department of Internal Medicine C, Kaplan Medical Center, Rehovot, Israel.
authors.forename: Stephen
authors.initials: S
authors.lastname: Malnick
authors.affiliation: School of Physiotherapy, Haifa University, Haifa, Israel.
authors.forename: Shelly
authors.initials: S
authors.lastname: Malnick
mesh_terms: D012809:Colon, Sigmoid / Q000033:anatomy & histology*; D020685:Colonoscopes; D003113:Colonoscopy / Q000295:instrumentation*; D005260:Female; D020699:Gastroscopes; D006801:Humans; D008297:Male