_:vb50946209 . . "SPGF45"^^ . "A spermatogenic failure characterized by male infertility due to severe teratozoospermia with multiple morphologic abnormalities of the flagella and disruption of the axonemal complex and mitochondrial sheath that has_material_basis_in homozygous or compound heterozygous mutation in DNAH2 on chromosome 17p13.1."^^ . . _:vb50946209 . _:vb50946209 . _:vb50946209 . . "spermatogenic failure 45"^^ . "DOID:0112163"^^ . "disease_ontology"^^ . _:vb50946209 . "OMIM:619094"^^ . .