TY  - BOOK
TI  - The united states pharmacopeia. 21 rev. official from january 1, 1985. the national formulary. 16. ed. official from january 1, 1985
SN  - 0913595047
AV  - RS141.2 U54
PY  - 1984///
CY  - Rockville, maryland
PB  - United states pharmacopeial convention
KW  - Farmacopeas
KW  - Estados Unidos
KW  - Medicina
KW  - Fórmulas y recetas
ER  -