Peixoto, E.L.O., Leite, L.D.F., Reis, G.R.G., Andrade, B.C. de M., Silveira, Y.V.R. da, Matos, C.A.G. de and Fututani, K.F. 2022. Evaluation of preemptive analgesia in patients with nephrolithiasis undergoing extracorporeal shockwave lithotripsy: Non-randomized clinical trial. Journal of Multiprofessional Health Research. 2, 3 (Aug. 2022), e03.191-e03.203.