title: Evaluation of duplicate publications: An article retraction by The Journal of Pain.
authors.affiliation: Editor-in-Chief, Psychosomatic Medicine, Tilburg University, Tilburg, the Netherlands Editor-in-Chief, The Journal of Pain, University of Washington, Seattle, Washington.
authors.forename: Willem J
authors.initials: WJ
authors.lastname: Kop
authors.forename: Mark
authors.initials: M
authors.lastname: Jensen
mesh_terms: D000577:Amides / Q000008:administration & dosage*; D016362:Analgesia, Obstetrical / Q000706:statistics & numerical data*; D016058:Analgesia, Patient-Controlled / Q000706:statistics & numerical data*; D000779:Anesthetics, Local / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D048949:Labor Pain / Q000188:drug therapy* / Q000523:psychology*; D009034:Mother-Child Relations / Q000523:psychology*; D009769:Object Attachment; D011247:Pregnancy; D017409:Sufentanil / Q000008:administration & dosage*
chemical_list: D000577:Amides; D000779:Anesthetics, Local; D017409:Sufentanil