Metoclopramide is {HEAD ~ a dopamine antagonist} with {TAIL ~ weak 5 HT3 antagonist activity}, which becomes more prominent at higher doses 
Metoclopramide is { HEAD ~ a dopamine antagonist } with { TAIL ~ weak 5 HT3 antagonist activity } , which becomes more prominent at higher doses
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH