<unk> , also called<unk><unk>  or<unk> <unk> -mental deficit<unk> , is an autosomal recessive congenital disorder affecting the integumentary system.
Sabinas brittle hair syndrome
Ring chromosome 20 syndrome
Wilson–Turner syndrome
Clouston's hidrotic ectodermal dysplasia
Carey Fineman Ziter syndrome
Yemenite deaf-blind hypopigmentation syndrome
Smith–Magenis syndrome
Daentl Townsend Siegel syndrome