Abstract

Get full access to this article
View all access options for this article.
References
1.Health of the elderly: report of a WHO Expert Committee . Geneva : World Health Organization , Technical Report Series 779, 1989 .
2.
Mackay J.
China's landmark tobacco law . Press release, 31 July 1991 .
3.
Chen ML
Cancer pain control in China . Journal of Palliative Care
1989 ; 5 : 29 -31 .
4.
Cai ZJ
The use of analgesics and the control measures for prevention of drug abuse . Abstract, East-West Pain Conference , Beijing , September 1989 .
5.
International Narcotics Control Board.
Narcotic drugs: estimated world requirements for 1991, statistics for 1989 . New York : United Nations , 1990 .
