Columbia subject headings:
Fetus--Effect of chemicals on--Congresses.
Generative organs--Effect of chemicals on--Congresses.
Smoking--Government policy--Congresses.
Tobacco--Physiological effect--Congresses.
Tobacco--Toxicology--Congresses.
Harvard subject headings:
Fetus--Effect of chemicals on--Congresses.
Generative organs--Effect of chemicals on--Congresses.
Smoking--Government policy--Congresses.
Tobacco--Physiological effect--Congresses.
Tobacco--Toxicology--Congresses.
Princeton subject headings:
Fetus--Effect of chemicals on--Congresses.
Generative organs--Effect of chemicals on--Congresses.
Smoking--Government policy--Congresses.
Smoking--Physiological effect--Congresses.
Tobacco--Toxicology--Congresses.