_:vb50945747 . _:vb50945747 . _:vb50945747 . _:vb50945747 . _:vb50945747 . _:vb50945747 "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."^^ . _:vb50945747 "url:https://pubmed.ncbi.nlm.nih.gov/28905369/"^^ .