Moreira, Sônia Fátima da Silva, Andressa de Souza, e Iraci Lucena da Silva Torres. 2014. “Effects of Melatonin and Estradiol on Chronic Pain During Postmenopause”. Clinical and Biomedical Research 34 (3). https://www.seer.ufrgs.br/index.php/hcpa/article/view/47921.