claim: Benzodiazepines can be taken.
evidence: P. rex may refer to  :. Papilio rex , the regal swallowtail , a butterfly species found in Africa. Papilio rex. Papilio rex. Pedicularis rex , a plant related to lousewort. Pedicularis rex. Pedicularis rex. lousewort. lousewort. Percina rex , the Roanoke logperch , a small freshwater fish species found in the Roanoke and Chowan drainages. Percina rex. Percina rex. Pseudoeurycea rex , a salamander species found mostly in Guatemala and Mexico. Pseudoeurycea rex. Pseudoeurycea rex