Acupuncture and rehabilitation of the painful shoulder: study protocol of an ongoing multicentre randomised controlled clinical trial [ISRCTN28687220] oleh Jimenez Carmen, Godoy Ana, Gordo Isabel, Luna Francisco, Brioso Mauricio, Seminario Jose, Hernandez Luz, Fernandez Francisco, Olmo Victoria, Ortega Caridad, Medina Ivan, Madrazo Fernando, Galante Antonia, Mendez Camila, Perea-Milla Emilio, Vas Jorge, Ruiz Manuel, Montes Joaquin, Hidalgo Alonso, Gonzalez-Quevedo Rosa, Bosch Pablo, Vazquez Antonio, Lozano Juan Vicente