TY  - JOUR
A1  - Choi, H.
A1  - Schoeni, R.F.
A1  - Martin, L.G.
T1  - Are functional and activity limitations becoming more prevalent among 55 to 69-year-olds in the United States?
Y1  - 2016
DO  - 10.1371/journal.pone.0164565
VL  - 11
IS  - 10

ER  -