1. Preoperative anxiety among adult patients undergoing elective surgery: a prospective survey at a general hospital in Ethiopia;Bedaso;Patient Saf Surg,2019
2. Preoperative anxiety in surgical patients-experience of a single unit;Matthias;Acta Anaesthesiol Taiwan,2012
3. Evaluation of anxiety induced cardiovascular response in known hypertensive patients undergoing exodontia—a prospective study;Balasubramaniyan;J Clin Diagn Res,2016
4. The relationship between preoperative anxiety and postoperative pain after cesarean section;Ghanei;Iran J Obstetr Gynecol Infertil,2013
5. Anxiety, stress and preoperative surgical nursing;Pierantognetti;Prof Inferm,2002