Covarrubias-Gómez, Alfredo, Uriah Guevara-López, Argelia Lara-Solares, Antonio C Tamayo-Valenzuela, Jorge Salinas-Cruz, and Rubén Torres-González. 2021. “Clinical Pattern of Patients Cared for at Pain Clinic by First Time”. Revista Médica Del Instituto Mexicano Del Seguro Social 46 (5): 467-72. https://revistamedica.imss.gob.mx/index.php/revista_medica/article/view/2283.