Refining the critical region of the novel 19q13.11 microdeletion syndrome to 750 Kb. Issue 6 (1st June 2009) - Schuurs-Hoeijmakers, J H M; Vermeer, S; van Bon, B W M; Pfundt, R; Marcelis, C; de Brouwer, A P M; de Leeuw, N; de Vries, Bert B A