Joe O Boison et al.
Analytical and bioanalytical chemistry, 407(14), 4065-4078 (2015-04-03)
A new multi-residue method for the determination of seven polypeptides, namely, polymixin B1, polymixin B2, polymixin E1 (colistin A), polymixin E2 (colistin B), enduracidin A (enramycin A), enduracidin B (enramycin B), and bacitracin A, in food of animal origin was