An aliquot of {TAIL ~ the sample solution} containing the liberated nucleic acids in {HEAD ~ the lysis}, permeabilization or transport medium is added to the second solution, and mixed vigorously 
An aliquot of { TAIL ~ the sample solution } containing the liberated nucleic acids in { HEAD ~ the lysis } , permeabilization or transport medium is added to the second solution , and mixed vigorously
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH