title: New technique for precise alignment of an RNA differential display gel with its film image.
mesh_terms: D001345:Autoradiography / Q000379:methods; D001557:Benzenesulfonates; D004396:Coloring Agents; D004586:Electrophoresis / Q000379:methods*; D012313:RNA / Q000032:analysis*
chemical_list: D001557:Benzenesulfonates; D004396:Coloring Agents; C048951:xylene cyanol; D012313:RNA