Dr. Israel Morales Garcia, Dr. Gibran Guadalupe Sanchez Salas. Control of Acute Pain in a Patient with Acute Chronic Low Back Pain by Using Ecoguided Facetary Analgesic Blockin the Emergency Room, Report of Two Cases. International Journal Of Medical Science And Clinical Research Studies [Internet]. 2023Nov.2 [cited 2024Jul.22];3(11):2554-7. Available from: https://ijmscr.org/index.php/ijmscrs/article/view/1194