TY  - RPRT
TI  - Reliability and validity in practice: assessment tools.
AU  - Twycross Alison
AU  - Linda Shields
PY  - 2005
DO  - 10.7748/paed.17.9.43.s29
UR  - https://pubmed.ncbi.nlm.nih.gov/16315818/
ID  - 16315818
ER  -