New approaches in health statistics :
New approaches in health statistics : report of the Second International Conference of National Committees on Vital and Health Statistics [held in Copenhagen from 1 to 5 October 1973]
- Geneva : World Health Organization, 1974.
- 40 p.
- World Health Organization technical report series ; no. 559 .
ara eng fre spa.
jpn.
9241205598
Vital statistics--congresses.
WA 950
ara eng fre spa.
jpn.
9241205598
Vital statistics--congresses.
WA 950