title: The identification of O-phosphoserine in the soluble anionic phosphoproteins of bone.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D001322:Autoanalysis; D001842:Bone and Bones / Q000032:analysis*; D002417:Cattle; D002645:Chickens; D004590:Electrophoresis, Paper; D005260:Female; D005333:Fetus; D009943:Organophosphorus Compounds / Q000032:analysis*; D010750:Phosphoproteins / Q000032:analysis*; D011247:Pregnancy; D012694:Serine / Q000032:analysis*
chemical_list: D000596:Amino Acids; D009943:Organophosphorus Compounds; D010750:Phosphoproteins; D012694:Serine