title: Mass spectrometry of peptide derivatives. Temporary protection of methionine as sulfoxide during permethylation.
authors.affiliation: The Danish Institute of protein Chemistry, affiliated to the Danish Academy of Technical Science, 33, Finsensvej, DK-2000, F, Copenhagen, Denmark
authors.forename: P
authors.initials: P
authors.lastname: Roepstorff
authors.forename: K
authors.initials: K
authors.lastname: Norris
authors.forename: S
authors.initials: S
authors.lastname: Severinsen
authors.forename: K
authors.initials: K
authors.lastname: Brunfeldt