Denys D, van Megen HJ, van der WN, et al. A double-blind switch study of paroxetine and venlafaxine in obsessive-compulsive disorder. J Clin Psychiatry 2004;65:37–43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

E C 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Article history: Received 21 May 2008 Received in revised form 1 May 2009 Accepted 1 May 2009 Available online xxxx

33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65

25 1 Introductory Information 29 2 Structure of Programs 33 2.1 The REDUCE Standard Character Set . . . . . . . . . . . . . . . 33 2.2 Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 2.3 Identifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 2.4 Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 2.5 Strings . . . . . . . . . . ....

........................................................... 36 INTRODUCTION ...................................................... 37 PATIENTS AND METHODS ....................................... 38 RESULTS .............................................................. 43 DISCUSSION ......................................................... 47 REFERENCES .............................................

.................................................................................................................. 1 LIST OF PAPERS ........................................................................................................ 3 LIST OF ABBREVIATIONS ...................................................................................... 4 DEFINITIONS ......................................