title: Extradural clonidine--the need for well designed controlled trials.
authors.forename: R
authors.initials: R
authors.lastname: Macdonald
mesh_terms: D015360:Analgesia, Epidural; D016362:Analgesia, Obstetrical; D000818:Animals; D002986:Clinical Trials as Topic; D003000:Clonidine / Q000008:administration & dosage / Q000494:pharmacology*; D005260:Female; D006301:Health Services Needs and Demand; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy
chemical_list: D003000:Clonidine