TY - JOUR T1 - Testing and screening for chromosome abnormalities JF - Clinical Medicine JO - Clin Med SP - 153 LP - 154 DO - 10.7861/clinmedicine.9-2-153 VL - 9 IS - 2 AU - Malcolm A Ferguson-Smith Y1 - 2009/04/01 UR - http://www.rcpjournals.org/content/9/2/153.abstract ER -