Nitrogen analyses of fossil bones.
D001130:Arizona; D001842:Bone and Bones; D002140:California; D002623:Chemistry Techniques, Analytical; D003094:Collagen; D003120:Colorado; D004534:Egypt; D066298:In Vitro Techniques; D007615:Kansas; D009516:New Mexico; D009584:Nitrogen; D009922:Oregon; D010163:Paleontology; D014959:Wyoming
D003094:Collagen; D009584:Nitrogen