title: Evaluation of family history data for Danish twins with nonsyndromic cleft lip with or without cleft palate.
authors.forename: L E
authors.initials: LE
authors.lastname: Mitchell
authors.forename: K
authors.initials: K
authors.lastname: Christensen
mesh_terms: D002971:Cleft Lip / Q000453:epidemiology / Q000235:genetics*; D002972:Cleft Palate / Q000453:epidemiology / Q000235:genetics*; D003718:Denmark / Q000453:epidemiology; D004200:Diseases in Twins; D005069:Evaluation Studies as Topic; D005192:Family Health; D005260:Female; D006801:Humans; D008297:Male; D008498:Medical Record Linkage; D012307:Risk Factors