TY  - RPRT
TI  - Theory in physical therapy.
AU  - D E Krebs
AU  - S R Harris
AU  - S J Herdman
AU  - E Michels
PY  - 1986
DO  - 10.1093/ptj/66.5.661
UR  - https://pubmed.ncbi.nlm.nih.gov/3703928/
ID  - 3703928
ER  -