Nojima, T., H. Naito, Y. Kosaki, T. Osako, K. Tanaka, A. Murata, and A. Nakao. “Caffeine Intoxication in Pregnancy: Report of a Case”. Archives of Academic Emergency Medicine, vol. 7, no. 1, Nov. 2019, p. e67, doi:10.22037/aaem.v7i1.506.