https://www.erowid.org/references/refs_view.php?ID=3669&S=Ron_D&SField=all
Erowid.org: Erowid Reference 3669 : Enterohepatic recycling of phenolphthalein, morphine, lysergic...
The Index page for the reference article: PARKER RJ, HIROM PC, MILLBURN P Enterohepatic recycling of phenolphthalein, morphine, lysergic acid diethylamide...
erowid orgenterohepatic recyclingreference3669phenolphthalein