title: Assessing the methods of a recently published study: four placebo groups?
authors: D
authors: D
authors: Betts
authors: S
authors: S
authors: Budd
authors: C
authors: C
authors: Citkovitz
authors: R
authors: R
authors: Lang
mesh_terms: D015667:Acupuncture Analgesia / Q000379:methods*; D016362:Analgesia, Obstetrical / Q000379:methods*; D005260:Female; D006801:Humans; D048949:Labor Pain / Q000473:pathology*; D007751:Labor, Induced / Q000379:methods*; D011247:Pregnancy