TY  - RPRT
TI  - Estimating physical activity using the CSA accelerometer and a physical activity log.
AU  - Michael D Schmidt
AU  - Patty S Freedson
AU  - Lisa Chasan-Taber
PY  - 2003
DO  - 10.1249/01.mss.0000084421.97661.17
UR  - https://pubmed.ncbi.nlm.nih.gov/12972884/
ID  - 12972884
ER  -