Crotalphine Modulates Microglia M1/M2 Phenotypes and Induces Spinal Analgesia Mediated by Opioid-Cannabinoid Systems. - Lopes FSR; Giardini AC; Sant'Anna MB; Kimura LF; Bufalo MC; Vigerelli H; Zambelli VO; Picolo G (International journal of molecular sciences, 2022)