Furthermore, {TAIL ~ the proportion} of T cells to {HEAD ~ B cells} is approximately the same as that of the original blood 
Furthermore , { TAIL ~ the proportion } of T cells to { HEAD ~ B cells } is approximately the same as that of the original blood
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH