_:vb50939831 "url:https://www.ncbi.nlm.nih.gov/pubmed/24360805"^^ . _:vb50939831 . _:vb50939831 . _:vb50939831 . _:vb50939831 . _:vb50939831 "A male infertility characterized by sperm flagellar morphological abnormalities that has_material_basis_in homozygous or compound heterozygous mutation in the DNAH1 gene on chromosome 3p21."^^ . _:vb50939831 .