1.
Perea Solano DJ, Navarro JR, Herrera P, Castillo V, González A, García A, et al. Randomized double-blind controlled clinical trial for the evaluation of post-partum analgesia using epidural morphine: analgesic effectiveness of different dose regimes compared with placebo. Colomb. J. Anesthesiol. [Internet]. 2012 Jan. 1 [cited 2024 May 2];40(1):8-13. Available from: https://www.revcolanest.com.co/index.php/rca/article/view/785