TY  - BOOK
AU  - World Health Organization (Geneva)
TI  - Cancer pain relief: with a guide to opioid availability
SN  - 9241544821
U1  - 616.994061 
PY  - 1998///
CY  - Geneva
PB  - World Health Organization
KW  - Neoplasms - Drug therapy Pain - Drug therapy
ER  -