A chromatographic packing material, which comprises microspherical sintered bodies of {HEAD ~ hydroxyapatite} prepared according to {TAIL ~ the process} 1 
prepared according to
A chromatographic packing material , which comprises microspherical sintered bodies of { HEAD ~ hydroxyapatite } prepared according to { TAIL ~ the process } 1
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH