title: Estimation of the age of dried blood stains by a spectrophotometric method.
mesh_terms: D000042:Absorption; D000388:Air; D001801:Blood Stains; D003720:Densitometry; D005292:Ferricyanides; D006454:Hemoglobins; D006801:Humans; D006813:Humidity; D006863:Hydrogen-Ion Concentration; D008027:Light; D010084:Oxidation-Reduction; D010100:Oxygen; D000644:Quaternary Ammonium Compounds; D013053:Spectrophotometry; D013440:Sulfides; D013696:Temperature; D013997:Time Factors
chemical_list: D005292:Ferricyanides; D006454:Hemoglobins; D000644:Quaternary Ammonium Compounds; D013440:Sulfides; D010100:Oxygen