_:vb50939842 . "DOID:0070171"^^ . "disease_ontology"^^ . _:vb50939842 . . _:vb50939842 . . "A male infertility characterized by autosomal dominant inheritance of azoospermia or severe oligoasthenoteratozoospermia and in some cases a Sertolic cell-only phenotype that has_material_basis_in heterozygous mutation in the NANOS1 gene on chromosome 10q26."^^ . _:vb50939842 . . "SPGF12"@en . "spermatogenic failure 12"^^ . _:vb50939842 . . "OMIM:615413"^^ .