[Headache after lumbar anesthesia; comments on the article of Freudenberg].
D000758:Anesthesia; D000775:Anesthesia, Spinal; D000776:Anesthesiology; D006261:Headache / Q000209:etiology*; D006801:Humans
ANESTHESIA, SPINAL; HEADACHE/etiology and pathogenesis
Der Kopfschmerz nach Lumbalanästhesie; Bemerkungen zu der Arbeit von Freudenberg.