title: Is sham acupuncture necessary?
authors: H
authors: H
authors: Zheng
mesh_terms: D015670:Acupuncture Therapy; D005764:Gastroesophageal Reflux / Q000628:therapy*; D006801:Humans; D010919:Placebos; D054328:Proton Pump Inhibitors / Q000009:adverse effects
chemical_list: D010919:Placebos; D054328:Proton Pump Inhibitors