TY  - RPRT
TI  - The Lewin Group Study--what does it tell us and why does it matter? [ comment].
AU  - R K Johnson
PY  - 1999
DO  - 10.1016/s0002-8223(99)00104-2
UR  - https://pubmed.ncbi.nlm.nih.gov/10207393/
ID  - 10207393
ER  -