Willemsen MH, Vulto-van Silfhout AT, Nillesen WM, Wissink-Lindhout WM, van Bokhoven H, Philip N, Berry-Kravis EM, Kini U, van Ravenswaaij-Arts CM, Delle Chiaie B, Innes AM, Houge G, Kosonen T, Cremer K, Fannemel M, Stray-Pedersen A, Reardon W, Ignatius J, Lachlan K, Mircher C, Helderman van den Enden PT, Mastebroek M, Cohn-Hokke PE, Yntema HG, Drunat S, Kleefstra T (2012). "Update on Kleefstra Syndrome". Mol Syndromol. 2 (3–5): 202–212. doi:10.1159/000335648. PMC3366700. PMID22670141.
Willemsen MH, Vulto-van Silfhout AT, Nillesen WM, Wissink-Lindhout WM, van Bokhoven H, Philip N, Berry-Kravis EM, Kini U, van Ravenswaaij-Arts CM, Delle Chiaie B, Innes AM, Houge G, Kosonen T, Cremer K, Fannemel M, Stray-Pedersen A, Reardon W, Ignatius J, Lachlan K, Mircher C, Helderman van den Enden PT, Mastebroek M, Cohn-Hokke PE, Yntema HG, Drunat S, Kleefstra T (2012). "Update on Kleefstra Syndrome". Mol Syndromol. 2 (3–5): 202–212. doi:10.1159/000335648. PMC3366700. PMID22670141.
Kleefstra T, Nillesen WM, Yntema HG (7 May 2015). "Kleefstra Syndrome". Seattle:GeneReviews. GeneReviews. PMID20945554. Retrieved 3 February 2017.
Willemsen MH, Vulto-van Silfhout AT, Nillesen WM, Wissink-Lindhout WM, van Bokhoven H, Philip N, Berry-Kravis EM, Kini U, van Ravenswaaij-Arts CM, Delle Chiaie B, Innes AM, Houge G, Kosonen T, Cremer K, Fannemel M, Stray-Pedersen A, Reardon W, Ignatius J, Lachlan K, Mircher C, Helderman van den Enden PT, Mastebroek M, Cohn-Hokke PE, Yntema HG, Drunat S, Kleefstra T (2012). "Update on Kleefstra Syndrome". Mol Syndromol. 2 (3–5): 202–212. doi:10.1159/000335648. PMC3366700. PMID22670141.
Kleefstra T, Nillesen WM, Yntema HG (7 May 2015). "Kleefstra Syndrome". Seattle:GeneReviews. GeneReviews. PMID20945554. Retrieved 3 February 2017.