TY  - RPRT
TI  - The PT and the pendulum.
AU  - S R Florell
AU  - G M Rodgers
PY  - 1996
DO  - 10.1093/ajcp/106.6.699
UR  - https://pubmed.ncbi.nlm.nih.gov/8980343/
ID  - 8980343
ER  -