_:vb50945739 . _:vb50945739 . _:vb50945739 . _:vb50945739 . _:vb50945739 . _:vb50945739 "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."^^ . _:vb50945739 "url:https://pubmed.ncbi.nlm.nih.gov/26199321/"^^ .