Effects of Andrographis paniculata and Orthosiphon stamineus Extracts on the Glucuronidation of 4-Methylumbelliferone in Human UGT Isoforms. - Ismail, Sabariah; Hanapi, Nur Aziah; Ab Halim, Mohd Rohaimi; Uchaipichat, Verawan; Mackenzie, Peter I. (Molecules, 2010)