TY  - RPRT
TI  - F2 screen variations and associated statistics.
AU  - T J Stodola
AU  - D A Andow
PY  - 2004
DO  - 10.1603/0022-0493-97.5.1756
UR  - https://pubmed.ncbi.nlm.nih.gov/15568370/
ID  - 15568370
ER  -