_:vb50939878 . _:vb50939878 . _:vb50939878 . _:vb50939878 "url:https://www.ncbi.nlm.nih.gov/pubmed/19737515"^^ . _:vb50939878 "A male infertility characterized by nonobstroctive azoospermia or oligozoospermia that has_material_basis_in interstitial deletions on the Yq11.221 chromosomal region."^^ . _:vb50939878 . _:vb50939878 .