title: Hair as the sample in assessing morphine and cocaine addiction.
mesh_terms: D003042:Cocaine / Q000032:analysis*; D006197:Hair / Q000032:analysis*; D006801:Humans; D009020:Morphine / Q000032:analysis*; D009021:Morphine Dependence / Q000175:diagnosis*; D011863:Radioimmunoassay; D019966:Substance-Related Disorders / Q000175:diagnosis*
chemical_list: D009020:Morphine; D003042:Cocaine