Magnetic separation apparatus and {TAIL ~ methods} employing {HEAD ~ an internal magnetic capture gradient} and an external transport force 
Magnetic separation apparatus and { TAIL ~ methods } employing { HEAD ~ an internal magnetic capture gradient } and an external transport force
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH