"SPGF25"^^ . . "OMIM:617960"^^ . . . _:vb50945738 . "spermatogenic failure 25"^^ . "disease_ontology"^^ . _:vb50945738 . _:vb50945738 . "DOID:0111920"^^ . . _:vb50945738 . _:vb50945738 . "A spermatogenic failure characterized by maturation arrest at the primary spermatocyte stage resulting in severe oligozoospermia or azoospermia, small testes, and infertility that has_material_basis_in homozygous or compound heterozygous mutation in TEX15 on chromosome 8p12."^^ .