TY - BOOK TI - Persisting pain in children package: WHO guidelines on the pharmacological treatment of persisting pain in children with medical illnesses U1 - WL 704 PY - 2012/// CY - Geneva, Switzerland PB - World Health Organization KW - Analgesics, Opioid KW - Child KW - Drug and narcotic control KW - Drugs, Essential KW - Guidelines KW - Pain measurement KW - Pain KW - classification KW - drug therapy KW - Palliative care ER -