The method relates to performing {TAIL ~ a medical test} by activating {HEAD ~ a test pad} bearing one reagent by applying another reagent thereto while remaining wholly within a protective foil package 
The method relates to performing { TAIL ~ a medical test } by activating { HEAD ~ a test pad } bearing one reagent by applying another reagent thereto while remaining wholly within a protective foil package
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH