title: Ionization probability variations due to matrix in ion microscopic analysis of plastic-embedded and ashed biological specimens.
mesh_terms: D000818:Animals; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D007422:Intestines / Q000032:analysis; D007477:Ions / Q000032:analysis*; D051379:Mice; D013048:Specimen Handling
chemical_list: D007477:Ions