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The present study investigated the time-dependent memory enhancing properties of three selective phosphodiesterase inhibitors (PDE-I) vardenafil (PDE5-I), rolipram (PDE4-I) and BAY 60-7550 (PDE2-I)(More)
Metrifonate is currently under development as a putative cholinergic Alzheimer therapeutic, because it is a prodrug of the long-acting organophosphate cholinesterase (ChE) inhibitor dichlorvos. The(More)