title: [Characteristics of the development of identification techniques for Chinese materia medica in recent years].
mesh_terms: D004340:Drug Contamination / Q000517:prevention & control; D014644:Genetic Variation; D008419:Materia Medica / Q000737:chemistry; D008855:Microscopy, Electron, Scanning; D010363:Pattern Recognition, Automated; D010946:Plants, Medicinal / Q000737:chemistry / Q000235:genetics / Q000648:ultrastructure; D019105:Random Amplified Polymorphic DNA Technique; D013055:Spectrophotometry, Infrared
chemical_list: D008419:Materia Medica