World Federation of Societies of Biological Psychiatry (WFSBP) Guidelines for Biological Treatment of Unipolar Depressive Disorders in Primary Care - Bauer, M; Bschor, T; Pfennig, A; Whybrow, P. C; Angst, J; Versiani, M; Möller, H. J; WFSBP Task Force on Unipolar Depressive Disorders (World J Biol Psychiatry, 2007)