Associations between Self-Reported and Objective Physical Environmental Factors and Use of a Community Rail-Trail

Autor: Troped, Philip J., Saunders, Ruth P., Pate, Russell R., Reininger, Belinda, Ureda, John R., Thompson, Shirley J.
Zdroj: In Preventive Medicine February 2001 32(2):191-200
Databáze: ScienceDirect