TY  - RPRT
TI  - Presystemic extraction: mechanisms and consequences.
AU  - D J Greenblatt
PY  - 1993
DO  - 10.1002/j.1552-4604.1993.tb04719.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8366190/
ID  - 8366190
ER  -