Pega Frank, Blakely Tony, Carter Kristie, Sjöberg Ola
Health Inequalities Research Programme, Department of Public Health, University of Otago, PO Box 7343, Wellington, New Zealand.
Soc Sci Med. 2012 Aug;75(4):770-3. doi: 10.1016/j.socscimed.2012.03.052. Epub 2012 May 15.