_:vb50945725 . _:vb50945725 . _:vb50945725 . _:vb50945725 "url:https://pubmed.ncbi.nlm.nih.gov/28536242/"^^ . _:vb50945725 . _:vb50945725 . _:vb50945725 "A spermatogenic failure characterized by nonobstructive azoospermia or cryptozoospermia that has_material_basis_in homozygous or compound heterozygous mutation in TDRD9 on chromosome 14q32.33."^^ .