Evidence for neurogenesis in the adult mammalian substantia nigra jun 24, 2003Zhao M* / Momma S*, Delfani K, Carlén M, Cassidy RM, Johansson CB, Brismar H, Shupliakov O, Frisen J, Janson AM. (2003) Proc Natl Acad Sci U S A. Jun 24;100(13): 7925-30.