Comment on

• Phenotypic heterogeneity of genomic disorders and rare copy-number variants.

  Girirajan S, Rosenfeld JA, Coe BP, Parikh S, Friedman N, Goldstein A, Filipink RA, McConnell JS, Angle B, Meschino WS, Nezarati MM, Asamoah A, Jackson KE, Gowans GC, Martin JA, Carmany EP, Stockton DW, Schnur RE, Penney LS, Martin DM, Raskin S, Leppig K, Thiese H, Smith R, Aberg E, Niyazov DM, Escobar LF, El-Khechen D, Johnson KD, Lebel RR, Siefkas K, Ball S, Shur N, McGuire M, Brasington CK, Spence JE, Martin LS, Clericuzio C, Ballif BC, Shaffer LG, Eichler EE. Girirajan S, et al. N Engl J Med. 2012 Oct 4;367(14):1321-31. doi: 10.1056/NEJMoa1200395. Epub 2012 Sep 12. N Engl J Med. 2012. PMID: 22970919 Free PMC article.