Columbia subject headings:
Electromagnetism--Physiological effect.
Electromagnetism--Therapeutic use.
Electromagnetism--Toxicology.
Electrophysiology.
Harvard subject headings:
Electromagnetism--Physiological effect
Electromagnetism--Therapeutic use.
Electromagnetism--Toxicology.
Electrophysiology.
Princeton subject headings:
Electromagnetism--Physiological effect.
Electromagnetism--Therapeutic use.
Electromagnetism--Toxicology.
Electrophysiology.