RT Journal Article
SR Electronic
T1 Correction
JF BMJ Open
JO BMJ Open
FD British Medical Journal Publishing Group
SP e004668corr1
DO 10.1136/bmjopen-2013-004668corr1
VO 4
IS 6
YR 2014
UL http://bmjopen.bmj.com/content/4/6/e004668corr1.abstract
AB