000			00330nam a22001457a 4500
020			_a9780198095422
050			_aMED RA 657 _b.R68
100			_aRothman,Kenneth,J
245			_aEpidemiology an introduction
250			_a2nd ed
260			_aNew York _bOxford _2012
300			_a268pg,: _bill,
650			_aEpidemics.
942			_cBK
999			_c597 _d597