Examples of {HEAD ~ variation} in {TAIL ~ 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, response to non pharmacological treatments, and dose response curves 
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Examples of { HEAD ~ variation } in { TAIL ~ 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 , response to non pharmacological treatments , and dose response curves
OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH