000 00437nam a2200169 a 4500
001 009328
008 991230s1996 000 u eng u
020 _a0-7216-5137-2
082 0 _a614.4
_bG661e
100 1 _aGordis, León,
_d1934-
245 1 0 _aEpidemiology /
_cLeon Gordis
260 _aPhiladelphia, Pa. :
_bSaunders Elsevier,
_c1996.
300 _a277 p.
500 _aFotocopias
650 4 _aEPIDEMIOLOGIA
_91738
942 _cBK
_02
999 _c5840
_d5840