1. Ventricular arrest caused by the Valsalva maneuver in a patient with Adams-Stokes attacks accompanying defecation;Schartum;Acta Med Scand,1968
2. Defaecation syncope;Pathy;Age Ageing,1978
3. Defecation syncope.A symptom with multiple etiologies;Kapoor;Arch Intern Med,1986
4. Cardio-vascular events at defecation: Are they unavoidable?;Sikirov;Med Hypotheses,1990
5. Clinical Examination in Cardiology.2nd Edition;Vijay;Elsevier (India),2017