A therapeutically effective dose refers to that amount of {TAIL ~ active ingredient}, which ameliorates {HEAD ~ the symptoms} or condition 
A therapeutically effective dose refers to that amount of { TAIL ~ active ingredient } , which ameliorates { HEAD ~ the symptoms } or condition
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH