Authors: Philip J Benson; Ute Leonards; Robert M Lothian; David M St Clair; Marco C G Merlo Journal: J Psychiatry Neurosci Date: 2007-07 Impact factor: 6.186
Authors: M Herkenham; A B Lynn; M D Little; M R Johnson; L S Melvin; B R de Costa; K C Rice Journal: Proc Natl Acad Sci U S A Date: 1990-03 Impact factor: 11.205