Dynamic spread of happiness in a large social network: longitudinal analysis over 20 years in the Framingham Heart Study -- Fowler and Christakis 337: a2338 -- BMJ - http://www.bmj.com/cgi...
Dynamic spread of happiness in a large social network: longitudinal analysis over 20 years in the Framingham Heart Study -- Fowler and Christakis 337: a2338 -- BMJ - http://www.bmj.com/cgi...