TY  - RPRT
TI  - Sampling biases and implications for child abuse research.
AU  - Cathy Spatz Widom
PY  - 1988
DO  - 10.1111/j.1939-0025.1988.tb01587.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3285697/
ID  - 3285697
ER  -