Approaches to Improve Causal Inference in Physical Activity Epidemiology
Author: Lynch, Brigid M..  Published in: Journal of Physical Activity and Health, v. 17  no. 1, pp. 80- 84  Date: 2020
ISSN:  1543-3080,  EISSN:  1543-5474  DOI:  10.1123/jpah.2019-0515