On the theory of elementary analysis by x-ray absorption.
D001842:Bone and Bones / Q000032:analysis; D002118:Calcium / Q000032:analysis*; D005453:Fluorescence; D006801:Humans; D008852:Microradiography; D010758:Phosphorus / Q000032:analysis*; D010783:Photometry; D011827:Radiation; D014070:Tooth / Q000032:analysis
D010758:Phosphorus; D002118:Calcium