000			00443nam a2200157Ia 4500
008			211224s9999 xx 000 0 und d
020			_a443018510
082			_aRA651 .B36 1979 614.4
100			_aBarker, D. J. P
245		0	_aEpidemiology in medical practice
250			_a2nd ed
260			_aEdinburgh ; New York: _bChurchill Livingston, _c1979
300			_aviii, 151 p. : ill. ; 21 cm
650			_aEpidemiology
700			_aRose, G. A
999			_c94971 _d94971