title: Up-down study--is the analysis adequate?
authors.forename: J K
authors.initials: JK
authors.lastname: Makkar
authors.forename: J
authors.initials: J
authors.lastname: Wig
mesh_terms: D000328:Adult; D000775:Anesthesia, Spinal / Q000009:adverse effects*; D002585:Cesarean Section; D004809:Ephedrine / Q000627:therapeutic use; D005260:Female; D006801:Humans; D007022:Hypotension / Q000209:etiology* / Q000517:prevention & control*; D008616:Mephentermine / Q000627:therapeutic use*; D011183:Postoperative Complications / Q000517:prevention & control*; D011247:Pregnancy; D014662:Vasoconstrictor Agents / Q000627:therapeutic use*
chemical_list: D014662:Vasoconstrictor Agents; D004809:Ephedrine; D008616:Mephentermine