Hosie, S.

factor risk factors anorectal malformations study malformations research anorectal german dutch patient consortium exposure job exposure arm cases pregnancy fi rst trimester result germany department defect birth pediatr control association radboud university nijmegen cleaning agents questionnaire university arm patients syndrome surgery sample family italy cohort family history etiology cure-net fever birth defects res netherland case –parent triads nonsyndromic children german cohort fi ndings centre dna samples birth defects risk factor outcome quality nijmegen questionnaire data country prevention center agent history project trimester syndromic anomaly solvent –control group townes –brocks syndrome cleaning saliva samples development author exhaust fumes agora smoking currarino syndrome genetic france table risk factor data syndromic forms