PT - JOURNAL ARTICLE AU - Pierre Blier TI - Optimal use of antidepressants: When to act? DP - 2009 Jan 01 TA - Journal of Psychiatry and Neuroscience PG - 80--80 VI - 34 IP - 1 4099 - http://jpn.ca/content/34/1/80.short 4100 - http://jpn.ca/content/34/1/80.full SO - JPN2009 Jan 01; 34