Khanna, SArya, N CSinghal, G D1987-07-012009-06-021987-07-012009-06-021987-07-01Khanna S, Arya NC, Singhal GD. Sacrococcygeal tumours in children. Journal of Postgraduate Medicine. 1987 Jul; 33(3): 109-14http://imsear.searo.who.int/handle/123456789/11579412 references.engAdolescentChildChild, PreschoolFemaleHumansInfantInfant, NewbornMaleNeoplasms --epidemiologyRetrospective StudiesSacrococcygeal RegionJournal Article