<unk>  is a rare genetic disorder that causes developmental delay, unusual facial features, short stature, and reduction in muscle tone (hypotonia). All cases reported so far are sporadic. The syndrome was originally described in 1989 by Hans-Rudolf Wiedemann. The genetic basis for the syndrome was identified by Dr. Wendy D. Jones in 2012.
Wiedemann–Steiner syndrome
Beckwith–Wiedemann syndrome
Wiedemann–Rautenstrauch syndrome
Laurence–Moon syndrome
Bardet–Biedl syndrome
Wilson–Turner syndrome
Miller–Dieker syndrome
Smith–Magenis syndrome