TY  - JOUR
A1  - Stern, A.M.
A1  - Markel, H.
T1  - The history of vaccines and immunization: familiar patterns, new challenges.
Y1  - 2005
DO  - 10.1377/hlthaff.24.3.611
UR  - http://content.healthaffairs.org/content/24/3/611.abstract
JF  - Health Affairs
VL  - 24
IS  - 3
SP  - 611
EP  - -621

ER  -