Universal health coverage in emerging economies: findings on health care utilization by older adults in China, Ghana, India, Mexico, the Russian Federation, and South Africa

- Peltzer, Karl; Stewart Williams, Jennifer; Naidoo, Nirmala; Chatterji, Somnath; Kowal, Paul; Negin, Joel; Snodgrass, James Josh; Yawson, Alfred; Minicuci, Nadia; Thiele, Liz; Phaswana-Mafuya, Nancy; Biritwum, Richard Berko