Kuh D, Pierce M, Adams EJ, Deanfield J, Ekelund U, Friberg P, Ghosh AK, Harwood N, Hughes A, Macfarlane PW, Mishra G, Pellerin D, Wong A, Stephen AM, Richards M, Hardy R, and NSHD scientific and data collection team
International Journal of Epidemiology. Feb 2011
(DOI : 10.1093/ije/dyq231)