title: Aspirin and extradural blocks.
authors.forename: R
authors.initials: R
authors.lastname: Macdonald
mesh_terms: D015360:Analgesia, Epidural / Q000009:adverse effects*; D016362:Analgesia, Obstetrical / Q000009:adverse effects; D001241:Aspirin / Q000009:adverse effects* / Q000494:pharmacology; D005260:Female; D006407:Hematoma, Epidural, Cranial / Q000209:etiology; D006801:Humans; D011247:Pregnancy; D012307:Risk Factors
chemical_list: D001241:Aspirin