Cleaning and Disinfectant Chemical Exposures and Temporal Associations with COVID-19 - National Poison Data System, United States, January 1, 2020-March 31, 2020 - Chang, A; Schnall, A H; Law, R; Bronstein, A C; Marraffa, J M; Spiller, H A (MMWR Morb Mortal Wkly Rep, 2020)