title: A simple automatic sample-changer attachment for radioactivity counters.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D001322:Autoanalysis; D002462:Cell Membrane / Q000032:analysis; D002478:Cells, Cultured; D005347:Fibroblasts; D007553:Isotope Labeling / Q000379:methods*; D008565:Membrane Proteins / Q000032:analysis*; D009206:Myocardium / Q000032:analysis; D051381:Rats
chemical_list: D008565:Membrane Proteins