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Zwald, Marissa L., Kristin M. Holland, Francis B. Annor, Aaron Kite-Powell, Steven A. Sumner, Daniel A. Bowen, Alana M. Vivolo-Kantor, Deborah M. Stone, und Alex E. Crosby. "Syndromic Surveillance of Suicidal Ideation and Self-Directed Violence — United States, January 2017–December 2018." MMWR Morb Mortal Wkly Rep 2020.

Zwald, Marissa L., et al. "Syndromic Surveillance of Suicidal Ideation and Self-Directed Violence — United States, January 2017–December 2018." MMWR Morb Mortal Wkly Rep 2020.