title: Sampling, storage and pretreatment of biological material.
mesh_terms: D000818:Animals; D001826:Body Fluids / Q000032:analysis; D006801:Humans; D008670:Metals / Q000032:analysis*; D008722:Methods; D013048:Specimen Handling; D014021:Tissue Preservation; D014131:Trace Elements / Q000032:analysis*
chemical_list: D008670:Metals; D014131:Trace Elements