Kacar, E., A. Yardimci, N. Ulker, S. Sahinturk, G. Zorlu, F. Tan, B. Hamadamin, and I. Serhatlioglu. “Investigation of Effects of Metformin on rats’ Urinary Bladder Contractions”. Annals of Medical Research, vol. 29, no. 9, Sept. 2022, pp. 905-9, http://www.annalsmedres.org/index.php/aomr/article/view/4268.