Use of accelerometers in a large field-based study of children: protocols, design issues, and effects on precision.
Mattocks C, Ness A, Leary S, Tilling K, Blair SN, Shield J, Deere K, Saunders J, Kirkby J, Smith GD, Wells J, Wareham N, Reilly J, Riddoch C.
Mattocks C, et al. Among authors: ness a.
J Phys Act Health. 2008;5 Suppl 1:S98-111. doi: 10.1123/jpah.5.s1.s98.
J Phys Act Health. 2008.
PMID: 18364528