TY  - JOUR
PY  - 2015//
TI  - Electronic devices and applications to track physical activity
JO  - JAMA journal of the American Medical Association
A1  - Schrack, Jennifer
A1  - Zipunnikov, Vadim
A1  - Crainiceanu, Ciprian
SP  - 2079
EP  - 2080
VL  - 313
IS  - 20
N2  - <p>[Abstract unavailable]</p>  <p>Language: en</p>
LA  - en
SN  - 0098-7484
UR  - http://dx.doi.org/10.1001/jama.2015.3877
ID  - ref1
ER  -