TY  - RPRT
TI  - Concern regarding duplicate publications.
AU  - James D Heckman
AU  - Richard A Brand
PY  - 2006
DO  - 10.2106/00004623-200611000-00028
UR  - https://pubmed.ncbi.nlm.nih.gov/17079413/
ID  - 17079413
ER  -