title: Chronological diagnosis of blood stains by alpha s ratio method, extracted in pH 7.9 and 9.8 buffered solutions.
mesh_terms: D001462:Barbital; D001801:Blood Stains; D002021:Buffers; D006801:Humans; D006863:Hydrogen-Ion Concentration; D012996:Solutions; D013997:Time Factors
chemical_list: D002021:Buffers; D012996:Solutions; D001462:Barbital