Iwatt, A R Epidemiology of haemorrhoids in the adult Nigerian and English: a comparative study. [electronic resource] - The Central African journal of medicine Mar 1987 - 61-6 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0008-9176 Subjects--Topical Terms: AdolescentAdultAgedConstipation--epidemiologyEnglandFemaleHemorrhoids--epidemiologyHumansMaleMiddle AgedNigeria