High body clearance and low oral bioavailability of alantolactone, isolated from<scp><i>Inula helenium</i></scp>, in rats: extensive hepatic metabolism and low stability in gastrointestinal fluidsJae‐Young Lee, Dae‐Duk Kim, Jaemoo Chun et al.|Biopharmaceutics & Drug Disposition|2016Cited by 25