title: Lumbar puncture headache: controlled study on the preventive effect of 24 hours' bed rest.
mesh_terms: D000293:Adolescent; D000328:Adult; D001510:Bed Rest; D002986:Clinical Trials as Topic; D005260:Female; D006261:Headache / Q000209:etiology* / Q000517:prevention & control / Q000523:psychology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011187:Posture; D012737:Sex Factors; D013129:Spinal Puncture / Q000009:adverse effects*