According to various embodiments a method of withdrawing a material directly from a patient and collecting {TAIL ~ a selected fraction} of {HEAD ~ the material} in a container is taught 
According to various embodiments a method of withdrawing a material directly from a patient and collecting { TAIL ~ a selected fraction } of { HEAD ~ the material } in a container is taught
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH