_:vb50945727 . _:vb50945727 "url:https://pubmed.ncbi.nlm.nih.gov/30683861/"^^ . _:vb50945727 . _:vb50945727 . _:vb50945727 "A spermatogenic failure characterized by multiple morphologic abnormalities of the flagella resulting in severely impaired sperm motility and infertility that has_material_basis_in homozygous or compound heterozygous mutation in QRICH2 on chromosome 17q25.1."^^ . _:vb50945727 . _:vb50945727 .