TY  - JOUR
A1  - Christakis, N.A. 
A1  - Fowler, J.H. 
T1  - The collective dynamics of smoking in a large social network
Y1  - 2008
DO  - 10.1056/NEJMsa0706154
JF  - New England Journal of Medicine 
VL  - 358
IS  - 21

ER  -