title: Distribution and isotopic abundance of biogenic elements in lunar samples.
mesh_terms: D055580:Astronomical Phenomena; D001256:Astronomy; D002244:Carbon / Q000032:analysis*; D002247:Carbon Isotopes / Q000032:analysis; D003903:Deuterium / Q000032:analysis; D005118:Extraterrestrial Environment; D055593:Geological Phenomena; D005844:Geology; D006358:Hot Temperature; D006859:Hydrogen / Q000032:analysis*; D006865:Hydrogenation; D006868:Hydrolysis; D009584:Nitrogen / Q000032:analysis*; D009587:Nitrogen Isotopes / Q000032:analysis; D010100:Oxygen / Q000032:analysis*; D010103:Oxygen Isotopes / Q000032:analysis; D010758:Phosphorus / Q000032:analysis*; D011868:Radioisotopes / Q000032:analysis; D012825:Silicon / Q000032:analysis; D013026:Space Flight; D013455:Sulfur / Q000032:analysis*; D013460:Sulfur Isotopes / Q000032:analysis; D014867:Water / Q000032:analysis
chemical_list: D002247:Carbon Isotopes; D009587:Nitrogen Isotopes; D010103:Oxygen Isotopes; D011868:Radioisotopes; D013460:Sulfur Isotopes; D014867:Water; D010758:Phosphorus; D013455:Sulfur; D002244:Carbon; D006859:Hydrogen; D003903:Deuterium; D009584:Nitrogen; D010100:Oxygen; D012825:Silicon