P593: Detection of single-gene copy-number variations through high-resolution exon-targeted chromosomal microarray analysis oleh Matthew Hoi Kin Chau, Stephanie Anderson, Rodger Song, Lance Cooper, Patricia Ward, Bo Yuan, Pawel Stankiewicz, Sau Cheung, Liesbeth Vossaert, Yue Wang, Nichole Owen, Janice Smith, Carlos Bacino, Katharina Schulze, Weimin Bi