Chronic Nicotine Administration Impairs Activation of Cyclic AMP-Response Element Binding Protein and Survival of Newborn Cells in the Dentate GyrusWei, Zelan; Belal, Cherine; Tu, Weihong; Chigurupati, Srinivasulu; Ameli, Neema Jason; Lu, Youming; Chan, Sic L. · Stem Cells and Development · 2012