This expansion allows easy visualization of color changes associated with colorimetric assays, particularly when the vehicle is distributed as {HEAD ~ particles} within {TAIL ~ animal litters} 
within
This expansion allows easy visualization of color changes associated with colorimetric assays , particularly when the vehicle is distributed as { HEAD ~ particles } within { TAIL ~ animal litters }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL