Columbia subject headings:
Harvard subject headings:
Mayas--Medicine
Medicinal plants--Mexico--Campeche (State)
Medicinal plants--Mexico--Yucatán (State)
Princeton subject headings:
Herbs--Therapeutic use.
Indians of Mexico--Mexico--Campeche (State)--Medicine.
Materia medica, Vegetable--Mexico--Campeche (State).
Medicinal plants--Mexico--Campeche (State).
Traditional medicine--Mexico--Campeche (State).