title: Protein analysis of outer membranes prepared from Escherichia coli K 12 by different procedures.
mesh_terms: D002462:Cell Membrane / Q000032:analysis; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli / Q000032:analysis*; D008565:Membrane Proteins / Q000032:analysis*; D008970:Molecular Weight
chemical_list: D008565:Membrane Proteins