Detection of benzodiazepine‐like activity in hepatic encephalopathy requires an initial lipophilic extraction procedure!
Reynaldo Gacad, Kristine Kaminsky‐Russ, Kevin D. Mullen, Peter Widler, Hans U. Fisch, Arthur Zimmermann, Thomas E. Schläepfer, Jürg Reichen, Peter‐Schoch – 1 August 1994