Fig. 1

(9R)–HHC, (9S)-HHC, 11–OH–HHC, and (9R)–HHC–COOH concentrations in serum in relation to time after oral (top) and inhalative (bottom) consumption.
(9R)–HHC, (9S)-HHC, 11–OH–HHC, and (9R)–HHC–COOH concentrations in serum in relation to time after oral (top) and inhalative (bottom) consumption.