F Wang, S Xu, X Shen, X Guo, R Shen - The Lancet, 2012 - thelancet.com
5 Adams WL, McIlvain HE, Lacy NL, et al. Primary care for elderly people: why do doctors
find it so hard? Gerontologist 2002; 42: 835–42. disorders have been included and how they …