Béna, Frédérique A de novo 1.1-1.6 Mb subtelomeric deletion of chromosome 20q13.33 in a patient with learning difficulties but without obvious dysmorphic features. [electronic resource] - American journal of medical genetics. Part A Aug 2007 - 1894-9 p. digital Publication Type: Case Reports; Journal Article ISSN: 1552-4825 Standard No.: 10.1002/ajmg.a.31789 doi Subjects--Topical Terms: Child, PreschoolChromosome DeletionChromosomes, Human, Pair 20Face--abnormalitiesFemaleHumansIn Situ Hybridization, FluorescenceLearning Disabilities--geneticsOligonucleotide Array Sequence AnalysisStrabismus--diagnosisTelomere--genetics