title: Closing time for CATCH22.
authors.affiliation: Department of Human Genetics, Newcastle upon Tyne, UK.
authors.forename: J
authors.initials: J
authors.lastname: Burn
mesh_terms: D000015:Abnormalities, Multiple; D002872:Chromosome Deletion; D002892:Chromosomes, Human, Pair 22; D002972:Cleft Palate / Q000235:genetics; D004062:DiGeorge Syndrome / Q000235:genetics*; D019066:Facies; D006330:Heart Defects, Congenital / Q000235:genetics; D006801:Humans; D006996:Hypocalcemia / Q000235:genetics; D013577:Syndrome; D009626:Terminology as Topic