Social networks and collateral health effectsBMJ 2004; 329 doi: http://dx.doi.org/10.1136/bmj.329.7459.184 (Published 22 July 2004) Cite this as: BMJ 2004;329:184
Log in using your username and password
Log in through your institution
Register for a free trial to thebmj.com to receive unlimited access to all content on thebmj.com for 14 days.
Sign up for a free trial