000			00550cam a22002174a 4500
003			OSt
005			20191226220623.0
008			070720s2009 pauab b 001 0 eng
010			_a 2007030111
020			_a9781416040026
100	1		_aGordis, Leon,
245	1	0	_aEpidemiology.
250			_a4th ed.
260			_aPhiladelphia : _bElsevier/Saunders, _c2009.
300			_axv, 375 p. _bill. _c26 cm.
504			_aIncludes index.
650		0	_aEpidemiology.
650	1	2	_aEpidemiology.
650	2	2	_aEpidemiologic Methods.
942			_2NLM _cTB
999			_c6252 _d6252