2Meza - Valencia BE, de Lorimier AJ, Person DA : Hirschsprung disease in the U. S. associated Pacific Islands: more common than expected. Havaii Med J 2005Apr; 64(4) :96 -8,100 - 1.
3Russell MB, Russell CA, Niebuhr E : An epidmiological study of Hirschsprung's disease and additional anomalies. Acta Paediatr 1994 Jan;83( 1 ):68 -71.