Examples of variation in drug response include any of the following: efficacy, side effect profile, treatment maintenance and discontinuation rates, return to work status, hospitalizations, suicidality, total healthcare cost, social functioning scales, {HEAD ~ response} to {TAIL ~ non pharmacological treatments}, and dose response curves 
Examples of variation in drug response include any of the following : efficacy , side effect profile , treatment maintenance and discontinuation rates , return to work status , hospitalizations , suicidality , total healthcare cost , social functioning scales , { HEAD ~ response } to { TAIL ~ non pharmacological treatments } , and dose response curves
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