<unk>  is an extremely rare syndrome with only a few documented cases around the world. Because it often goes undiagnosed or unreported, the genetic frequency of the mutation and prevalence of the syndrome remains unknown, making<unk> 's impact on the population a mystery.
Birk-Barel syndrome
Halperin-Birk syndrome
Hurler syndrome
Hecht Scott syndrome
Kindler syndrome
Smith Martin Dodd syndrome
Baboon syndrome
Pelger–Huët anomaly