A double-blind, controlled, randomized trial to evaluate the efficacy of botulinum toxin for the treatment of lumbar myofascial pain in humans.
De Andrés
José
J
Valencia University Medical School, Spain. deandres_jos@gva.es
Adsuara
Vicente Martorell
VM
Palmisani
Stefano
S
Villanueva
Vicente
V
López-Alarcón
Maria Dolores
MD