title: Plasma dopamine-beta-hydroxylase activity as a measure of sympathetic activity during halothane anaesthesia in children.
mesh_terms: D000328:Adult; D000367:Age Factors; D000769:Anesthesia, Inhalation; D001145:Arrhythmias, Cardiac / Q000139:chemically induced; D001285:Atropine / Q000494:pharmacology; D002648:Child; D003864:Depression, Chemical; D004299:Dopamine beta-Hydroxylase / Q000097:blood*; D005470:Fluorometry; D006221:Halothane / Q000494:pharmacology*; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D008614:Meperidine / Q000494:pharmacology; D009609:Nitrous Oxide / Q000494:pharmacology; D011292:Premedication; D013564:Sympathetic Nervous System / Q000187:drug effects*
chemical_list: D001285:Atropine; D008614:Meperidine; D004299:Dopamine beta-Hydroxylase; D009609:Nitrous Oxide; D006221:Halothane