TY  - BOOK
AU  - USP Convention Incorporation
TI  - USP xxi NF xvi Supplement 4
U1  - 615.11 
PY  - 1986///
CY  - New York
PB  - USP Convention Incorporation
KW  - References (USP)
KW  - Pharmacology -- Therapeutics
N1  - USP, United States Pharmacopoeia, drug standards, pharmaceutical reference
ER  -