TY  - RPRT
TI  - Staged opposition transfer.
AU  - J A Grossman
AU  - J Pomerance
PY  - 1998
DO  - 10.1016/s0363-5023(98)80129-9
UR  - https://pubmed.ncbi.nlm.nih.gov/9556271/
ID  - 9556271
ER  -