Arya, S., Verma, A. K., Gupta, B. K., Hifzur, M., Gupta, S., & Singh, N. (2016). Twelfth rib syndrome- an often missed differential diagnosis of hypogastric and lumbar pain: case series. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 3(1), 263–265. Retrieved from https://www.ijrcog.org/index.php/ijrcog/article/view/839