Columbia subject headings:
Agricultural chemistry--Methodology--Congresses.
Pharmacology--Methodology--Congresses.
Structure-activity relationships (Biochemistry)--Congresses.
Toxicology--Methodology--Congresses.
Harvard subject headings:
Princeton subject headings:
Agricultural chemistry--Methodology--Congresses.
Pharmacology--Methodology--Congresses.
Structure-activity relationships (Biochemistry)--Congresses.
Toxicology--Methodology--Congresses.