TY  - RPRT
TI  - Top US research posts face the confirmation maze.
AU  - D S Greenberg
PY  - 1998
DO  - 10.1016/s0140-6736(05)78509-3
UR  - https://pubmed.ncbi.nlm.nih.gov/9504529/
ID  - 9504529
ER  -