Homeopathy for chronic non-specific low back pain: study Protocol for a randomized, Double-Blind, crossover, placebo-controlled clinical trial investigating the efficacy of the biotherapic lumbar vertebra (The BIOVERT Trial) - Adler, Ubiratan Cardinalli; Adler, Maristela Schiabel; Carrer, Helen Cristina Nogueira; Dias, Deise Lilian Costa; Diniz, José Nelson Martins; Grossi, Manoela Gomes; Sugimoto, Neli Aparecida Martins; Martinez, Edson Zangiacomi (Homeopathy, 2024)