1. Supercritical fluid extraction–supercritical fluid chromatography of saliva: Single‐quadrupole mass spectrometry monitoring of caffeine for gastric emptying studies†. Issue 19 (16th August 2021) Authors: Hofstetter, Robert K.; Schulig, Lukas; Bethmann, Jonas; Grimm, Michael; Sager, Maximilian; Aude, Philipp; Keßler, Rebecca; Kim, Simon; Weitschies, Werner; Link, Andreas Journal: Journal of separation science Issue: Volume 44:Issue 19(2021) Page Start: 3700 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗