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Modell JG, Rosenthal NE, Harriett AE, Krishen A, Asgharian A, Foster VJ, Metz A, Rockett CB, Wightman DS (2005). „Seasonal affective disorder and its prevention by anticipatory treatment with bupropion XL”. Biol Psychiatry. 58 (8): 658—67. . doi:10.1016/j.biopsych.2005.07.021.Недостаје или је празан параметар |title= (помоћ)
Rosenthal, Norman E.; Sack, D. A.; Gillin, J. C.; Lewy, A. J.; Goodwin, F. K.; Davenport, Y.; Mueller, P. S.; Newsome, D. A.; Wehr, T. A. (1984). „Seasonal Affective Disorder”. Archives of General Psychiatry. 41 (1): 72—80. PMID6581756. doi:10.1001/archpsyc.1984.01790120076010.