Columbia subject headings:
Children--Metabolism--Congresses.
Drugs--Metabolism--Congresses.
Fetus--Metabolism--Congresses.
Pediatric pharmacology--Congresses.
Xanthine--Metabolism--Congresses.
Harvard subject headings:
Children--Metabolism--Congresses.
Drugs--Metabolism--Congresses.
Fetus--Metabolism--Congresses.
Pediatric pharmacology--Congresses.
Xanthine--Metabolism--Congresses.
Princeton subject headings: