Response to "letter concerning: Clewell (2019) incorporation of in vitro metabolism data and physiologically based pharmacokinetic modeling in a risk assessment for chloroprene." (UIHT-2020-0053). - Clewell HJ 3rd; Campbell JL; Van Landingham C; Franzen A; Yoon M; Dodd DE; Andersen ME; Gentry PR (Inhalation toxicology, 2020)