Columbia subject headings:
Metabolism--Regulation.
Peptide hormones--Physiological effect.
Peptides--Physiological effect.
Harvard subject headings:
Metabolism--Regulation
Peptide hormones--Physiological effect.
Peptides--Physiological effect.
Princeton subject headings:
Metabolism--Regulation.
Peptide hormones--Physiological effect.
Peptides--Physiological effect.