The amino acid metabolism of a developing insect cuticle: the larval cuticle and puparium of Calliphora vomitoria. II. The non-specific hydroxylation of aromatic amino acids and the production of polyphenols by the cuticle
Proc R Soc Lond B Biol Sci. 1958 Feb 18;148(931):280-4.
doi: 10.1098/rspb.1958.0019.