Blood Levels of Monoamine Precursors and Smoking in Patients with Schizophrenia oleh Ashwin Jacob Mathai, Ashwin Jacob Mathai, Jyoti Kanwar, Olaoluwa Okusaga, Olaoluwa Okusaga, Dietmar Fuchs, Christopher A Lowry, Xiaoqing Peng, Xiaoqing Peng, Ina Giegling, Annette M Hartmann, Bettina Konte, Marion Friedl, Claudia Gragnoli, Claudia Gragnoli, Gloria M Reeves, Gloria M Reeves, Maureen Groer, Richard N Rosenthal, Dan Rujescu, Teodor T Postolache, Teodor T Postolache, Teodor T Postolache