TY  - RPRT
TI  - Sampling in physical therapy research.
AU  - W W Daniel
AU  - C E Coogler
PY  - 1975
DO  - 10.1093/ptj/55.12.1326
UR  - https://pubmed.ncbi.nlm.nih.gov/1197357/
ID  - 1197357
ER  -