000			00364cam a2200145 4500
001			0000012308
005			20170918143245.0
245	1	0	_aStatistics and epidemiology.
260			_aMilton Keynes : _bOpen University, _c1992.
300			_a616p.:ill.:28cm.
504			_aIncludes an index.
650		0	_aPublic health sanitation.
908			_a070719
999			_c6136 _d6136