title: [The Marquis reaction of morphine (author's transl)].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003124:Colorimetry; D005557:Formaldehyde; D009682:Magnetic Resonance Spectroscopy; D009020:Morphine; D013056:Spectrophotometry, Ultraviolet; D013464:Sulfuric Acids
chemical_list: D013464:Sulfuric Acids; D005557:Formaldehyde; D009020:Morphine
vernacular_title: Die Farbreaktion des Morphins nach E. Marquis.