TY  - RPRT
TI  - Those confounding variables!
AU  - C R Buncher
AU  - J A Morrison
PY  - 1998
DO  - 10.1016/s0022-3476(98)70214-8
UR  - https://pubmed.ncbi.nlm.nih.gov/9709699/
ID  - 9709699
ER  -