Bastanhagh, Ehsan, Fardin Yousefshahi, Somayeh Alsadat Moosavian, Saghar Samimi Sadeh, y Fatemeh Davari-Tanha. 2019. «Comparison of Preventive Acetaminophen and Placebo in Pain Reduction After Cesarean Section; A Randomized Clinical Trial». Annals of Anesthesiology and Critical Care 4 (1):1-5. https://ojs2.sbmu.ac.ir/index.php/anescc/article/view/33469.