_:vb50945750 . "disease_ontology"^^ . _:vb50945750 . "OMIM:618643"^^ . . _:vb50945750 . . "A spermatogenic failure characterized by multiple morphologic anomalies of the sperm flagellum, lack of the outer dynein arms in the flagella, and asthenozoospermia that has_material_basis_in homozygous or compound heterozygous mutation in DNAH17 on chromosome 17q25.3."^^ . . "DOID:0111926"^^ . "spermatogenic failure 39"^^ . "SPGF39"^^ . _:vb50945750 . _:vb50945750 . .