Junquera-Tortosa , M.; Sancho-García , M. M.; Malo-Urriés , M.; Rodríguez-Sanz , J.; Cabanillas-Barea , S.; Hidalgo-García , C. INTRA-EXAMINER RELIABILITY AND VALIDITY CRITERIA OF A SMARTPHONE APPLICATION TO MEASURE THE TEST FLEXION-ROTATION IN CERVICAL SPINE IN ASYMPTOMATIC SUBJECTS. CDF 2019, 48 (1), 04-10.