title: The use of inert ruthenium-phenanthroline as a digesta particulate marker in sheep.
mesh_terms: D000818:Animals; D004063:Digestion; D005243:Feces / Q000032:analysis; D010618:Phenanthrolines; D011868:Radioisotopes; D012417:Rumen / Q000032:analysis; D012428:Ruthenium; D012756:Sheep / Q000378:metabolism*; D013050:Spectrometry, Fluorescence
chemical_list: D010618:Phenanthrolines; D011868:Radioisotopes; D012428:Ruthenium