CHH、Chh可以指: 軟骨毛髮發育不良症候群(英语:Cartilage–hair hypoplasia),Cartilage–hair hypoplasia 基督教嘻哈(英语:Christian hip hop),Christian hip hop 白话字的一个三合字母(Chh) 彩虹站的香港MTR车站代码
YY; Huang DT; et al. Autosomal recessive lissencephaly with cerebellar hypoplasia is associated with human RELN mutations. Nat. Genet. September 2000, 26
synd/226 - Who Named It? Antley R, Bixler D. Trapezoidocephaly, midfacial hypoplasia and cartilage abnormalities with multiple synostoses and skeletal fractures