TY  - BOOK
AU  - Lapham, Robert.
AU  - Agar, Heather.
TI  - Drug calculations for nurses: a step-by-step approach 
SN  - 9780340987339 ;0340987332 
PY  - 2009///
CY  - London
PB  - Hodder Arnold
N1  - Previous ed.: London: Arnold, 2003; Includes bibliographical references and index
ER  -