Sanyal, PSaraf, A KDebmaulik, T K1986-04-012009-05-311986-04-012009-05-311986-04-01Sanyal P, Saraf AK, Debmaulik TK. A simple apparatus for anal tonometry. Journal of the Indian Medical Association. 1986 Apr; 84(4): 113-5http://imsear.searo.who.int/handle/123456789/95660engAdolescentAdultAnal Canal --physiologyChildFemaleHumansMaleManometry --instrumentationPressureReference ValuesA simple apparatus for anal tonometry.Journal Article