Pharmacopuncture analgesia using flunixin meglumine injection into the acupoint GV1 (Ho Hai) after elective castration in horses - Reginato, Gustavo Morandini; Xavier, Nathalia Villaça; Alonso, Bruna Bodini; Lima, Daniela Pereira; Sirqueira, Talita Carole Pereira; Carregaro, Adriano Bonfim (Journal of Equine Veterinary Science, 2020)