Test carrier for the analysis of {HEAD ~ fluids} with a frame consisting of at least two parts surrounding a test field opening and with {TAIL ~ a test field} disposed in the test field opening 
with
Test carrier for the analysis of { HEAD ~ fluids } with a frame consisting of at least two parts surrounding a test field opening and with { TAIL ~ a test field } disposed in the test field opening
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH