title: Lumbar puncture complicated by retroperitoneal hemorrhage.
authors.forename: R
authors.initials: R
authors.lastname: Bruha
authors.forename: S R
authors.initials: SR
authors.lastname: Simon
mesh_terms: D005260:Female; D006470:Hemorrhage / Q000209:etiology*; D006801:Humans; D008875:Middle Aged; D012187:Retroperitoneal Space; D013129:Spinal Puncture / Q000009:adverse effects*