RT Journal Article SR Electronic T1 Chromosome Abnormalities and Genetic Counseling: Fourth Edition JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 297 OP 297 DO 10.7861/clinmedicine.12-3-297 VO 12 IS 3 A1 Louise Izatt YR 2012 UL http://www.rcpjournals.org/content/12/3/297.abstract