Bi-allelic TTI1 variants cause an autosomal-recessive neurodevelopmental disorder with microcephaly. Serey-Gaut M, Cortes M, Makrythanasis P, et al. Bi-allelic TTI1 variants cause an autosomal-recessive neurodevelopmental disorder with microcephaly. American journal of human genetics. 2023;110(3):499-515. doi:10.1016/j.ajhg.2023.01.006 Read more