In addition to being less objectionable to a user, {HEAD ~ the amount} of {TAIL ~ the second reagent} used is minimized which reduces the cost of the test kit 10 
of
In addition to being less objectionable to a user , { HEAD ~ the amount } of { TAIL ~ the second reagent } used is minimized which reduces the cost of the test kit 10
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH