TY  - BOOK
AU  - M. Townsend, M, Sheenagh et al
TI  - British national formulary: Number 33(March 1997)
SN  - 9780853693802
U1  - 6151141 
PY  - 1997///
CY  - Britain
PB  - British medical association
N1  - includes abbreviations and symbols
ER  -