_:vb50953086 . _:vb50953086 . _:vb50953086 "url:http://en.wikipedia.org/wiki/Hallermann-Streiff_syndrome"^^ . _:vb50953086 "A syndrome that affects growth, cranial development, hair growth and dental development."^^ . _:vb50953086 . _:vb50953086 . _:vb50953086 .