"disease_ontology"^^ . _:vb50939877 . _:vb50939877 . . "OMIM:415000"^^ . . "MESH:C564030"^^ . "Y-linked spermatogenic failure 2"^^ . "nonobstructive Y-linked spermatogenic failure"@en . "DOID:0070187"^^ . "A male infertility characterized by nonobstroctive azoospermia or oligozoospermia that has_material_basis_in interstitial deletions on the Yq11.221 chromosomal region."^^ . . _:vb50939877 . . _:vb50939877 . _:vb50939877 . "SPGFY2"@en .