_:vb50945745 . _:vb50945745 "url:https://pubmed.ncbi.nlm.nih.gov/31735294/"^^ . _:vb50945745 "A spermatogenic failure characterized by multiple morphologic abnormalities of the flagella resulting in severly impaired sperm progressive motility and infertility that has_material_basis_in homozygous or compound heterozygous mutation in TTC29 on chromosome 4q31.22."^^ . _:vb50945745 "url:https://pubmed.ncbi.nlm.nih.gov/31735292/"^^ . _:vb50945745 . _:vb50945745 . _:vb50945745 . _:vb50945745 .