title: Separation of SP1 alpha and SP1 beta on hydroxylapatite.
mesh_terms: D002845:Chromatography; D017886:Durapatite; D005260:Female; D006801:Humans; D006882:Hydroxyapatites; D007122:Immunoelectrophoresis; D011247:Pregnancy; D011257:Pregnancy Proteins / Q000302:isolation & purification*; D011268:Pregnancy-Specific beta 1-Glycoproteins / Q000302:isolation & purification*
chemical_list: D006882:Hydroxyapatites; D011257:Pregnancy Proteins; D011268:Pregnancy-Specific beta 1-Glycoproteins; D017886:Durapatite