Toledo-Blanco , J. R.; Sanjuán-Agudo , C. M.; Gómez-González , M. T.; Pérez-Ferreiro , M.; Valcárcel-Linares , D.; Lázaro-Navas , I.; López-González , L.; Fernández-Ropero , A. EFFICACY OF ULTRASOUND-GUIDED INTRAMUSCULAR ELECTROSTIMULATION IN CONJUNCTION WITH MOTOR CONTROL EXERCISES IN NON-SPECIFIC CHRONIC LOW BACK PAIN: A PILOT RANDOMIZED CLINICAL TRIAL. CDF 2021, 50 (3), 183-202.