PT - JOURNAL ARTICLE AU - Robert D. Levitan TI - What is the optimal implementation of bright light therapy for seasonal affective disorder (SAD)? DP - 2005 Jan 01 TA - Journal of Psychiatry and Neuroscience PG - 72--72 VI - 30 IP - 1 4099 - http://jpn.ca/content/30/1/72.short 4100 - http://jpn.ca/content/30/1/72.full SO - JPN2005 Jan 01; 30