"DOID:0111924"^^ . . _:vb50945746 . _:vb50945746 . _:vb50945746 . . "SPGF26"^^ . . _:vb50945746 . "OMIM:617961"^^ . "disease_ontology"^^ . . "spermatogenic failure 26"^^ . _:vb50945746 . "A spermatogenic failure due to acephalic spermatozoa that is characterized by acephalic spermatozoa due to breakage at the midpiece of the sperm that has_material_basis_in homozygous or compound heterozygous mutation in TSGA10 on chromosome 2q11.2."^^ .