TY  - RPRT
TI  - Understanding physical activity environmental correlates: increased specificity for ecological models.
AU  - Billie Giles-Corti
AU  - Anna Timperio
AU  - Fiona Bull
AU  - Terri Pikora
PY  - 2005
DO  - 10.1097/00003677-200510000-00005
UR  - https://pubmed.ncbi.nlm.nih.gov/16239834/
ID  - 16239834
ER  -