. _:vb50946410 . . "OMIM:619202"^^ . _:vb50946410 . _:vb50946410 . "DOID:0112270"^^ . "spermatogenic failure 52"^^ . "SPGF52"^^ . _:vb50946410 . . . "An azoospermia characterized by non-obstructive azoospermia resulting from meiotic arrest at the spermatocyte stage that has_material_basis_in homozygous or compound heterozygous mutation in C14orf39 on chromosome 14q23.1."^^ . "disease_ontology"^^ . _:vb50946410 .