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“Piracetam and piracetam-like drugs: from basic science to novel clinical applications to CNS disorders”. Drugs70 (3): 287–312. (February 2010). doi:10.2165/11319230-000000000-00000. PMID20166767.
“Design and study of piracetam-like nootropics, controversial members of the problematic class of cognition-enhancing drugs”. Current Pharmaceutical Design8 (2): 125–138. (2002). doi:10.2174/1381612023396582. PMID11812254.