Columbia subject headings:
Fetus--Effect of drugs on.
Gingival hyperplasia.
Gums--Effect of drugs on.
Phenytoin--Side effects.
Teratogenic agents.
Harvard subject headings:
Fetus--Effect of drugs on
Gingival hyperplasia.
Gums--Effect of drugs on.
Phenytoin--Side effects.
Teratogenic agents.
Princeton subject headings: