Nah, Shireen A Anomalies associated with anorectal malformations according to the Krickenbeck anatomic classification. [electronic resource] - Journal of pediatric surgery Dec 2012 - 2273-8 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1531-5037 Standard No.: 10.1016/j.jpedsurg.2012.09.017 doi Subjects--Topical Terms: Abnormalities, Multiple--classificationAnorectal MalformationsAnus, Imperforate--classificationChi-Square DistributionCohort StudiesComorbidityConfidence IntervalsFemaleHumansIncidenceInfantInfant, NewbornMaleOdds RatioPrognosisRetrospective StudiesRisk AssessmentSingapore--epidemiologyStatistics, Nonparametric