Journal Article
Kowal, Chatterji, Naidoo, Biritwum, Fan, Ridaura, Maximova, Arokiasamy, Phaswana-Mafuya, Williams, and others.
"Data resource profile: the World Health Organization Study on global AGEing and adult health (SAGE)." International journal of epidemiology 41, no. 6 (2012): 1639-1649.