Process for producing an artificial bone model and {HEAD ~ an artificial bone model} produced by {TAIL ~ the process} 
produced by
Process for producing an artificial bone model and { HEAD ~ an artificial bone model } produced by { TAIL ~ the process }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL