Background and Intensity of the GALM Physical Activity Program.Published in:Journal of Physical Activity & Health, 2005, v. 2, n. 1, p. 51, doi. 10.1123/jpah.2.1.51By:de Jong, Johan;Stevens, Martin;Lemmink, Koen A. P. M.;de Greef, Mathieu H. C.;Rispens, Piet;Mulder, TheoPublication type:Article