Figure 1From: A study of two Chinese patients with tetrasomy and pentasomy 15q11q13 including Prader-Willi/Angelman syndrome critical region present with developmental delays and mental impairment Patients photographs. Frontal (A) and side (B) views of patient 1 showing upper thin lip, preauricular fistula (arrowed) and hypertelorism. Frontal (C) and side (D) views of patient 2 showing hypertelorism, slightly anteverted nares and low-set ears.Back to article page