Vital signs: Trends in state suicide rates - United States, 1999-2016 and circumstances contributing to suicide -27 states, 2015 - Stone, Deborah M.; Crosby, Alex E.; Ivey-Stephenson, Asha Z.; Holland, Kristin M.; Yuan, Keming; Kegler, Scott R.; Fowler, Katherine A.; Simon, Thomas R. (Morbidity and mortality weekly report, 2018)