8Lustig RH, Schmidt LA, Brindis CD. Public health:The toxic truth about sugar[ J]. Nature, 2012,482(7383 ) : 27-29.
9Czoty PW, Gage HD, Nader MA. Differences in D2 dopamine receptor availability and reaction to novelty in socially housed male monkeys during abstinence from cocaine [J ]. Psychopharmacol (Berl),2010,208(4) : 585-592.