Terman، M.؛ Terman، J.؛ Ross، D. (1998). "A Controlled Trial of Timed Bright Light and Negative Air Ionization for Treatment of Winter Depression". Archives of General Psychiatry. ج. 55 ع. 10: 875. DOI:10.1001/archpsyc.55.10.875. PMID:9783557.
Westrin، ÅS.؛ Lam، R. (2007). "Seasonal Affective Disorder: A Clinical Update". Annals of Clinical Psychiatry. ج. 19 ع. 4: 239. DOI:10.1080/10401230701653476. PMID:18058281.
Terman، M.؛ Terman، J.؛ Ross، D. (1998). "A Controlled Trial of Timed Bright Light and Negative Air Ionization for Treatment of Winter Depression". Archives of General Psychiatry. ج. 55 ع. 10: 875. DOI:10.1001/archpsyc.55.10.875. PMID:9783557.
Westrin، ÅS.؛ Lam، R. (2007). "Seasonal Affective Disorder: A Clinical Update". Annals of Clinical Psychiatry. ج. 19 ع. 4: 239. DOI:10.1080/10401230701653476. PMID:18058281.