_:vb50946417 "url:https://pubmed.ncbi.nlm.nih.gov/32161152/"^^ . _:vb50946417 . _:vb50946417 "A spermatogenic failure characterized by severe asthenoteratozoospermia with multiple morphologic abnormalities of the flagella resulting in reduced to absent motility that has_material_basis_in homozygous or compound heterozygous mutation in CFAP91 on chromosome 3q13.33."^^ . _:vb50946417 . _:vb50946417 . _:vb50946417 . _:vb50946417 .