[Recent observations on the toxins of Clostridium botulinum, with special reference to type E].
D002499:Centrifugation, Density Gradient; D011232:Chemical Precipitation; D003014:Clostridium botulinum / Q000032:analysis*; D004586:Electrophoresis; D014118:Toxins, Biological / Q000302:isolation & purification*
D014118:Toxins, Biological