title: Determination of heavy elements in organic substrates by x-ray absorption.
abstract: Selective X-ray absorption method has been worked out to determine concentration of heavy elements in organic substances. The method is applicable in vivo.
mesh_terms: D007501:Iron / Q000032:analysis; D013057:Spectrum Analysis / Q000379:methods*; D014965:X-Rays
chemical_list: D007501:Iron