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