000
00303pam a2200145 a 4500
020
_c
041
_h
082
_a
614.4
_b
GOR
100
_a
Leon Gordis .
245
_a
Epidemiology
_h
Textual Documents
250
_a
5th ed. .
260
_b
Elsevier, Pub.
_c
2014
300
_a
392.
930
_a
10315
999
_c
10308
_d
10308