TY  - RPRT
TI  - Berkson's bias reviewed.
AU  - Judith Schwartzbaum
AU  - Anders Ahlbom
AU  - Maria Feychting
PY  - 2003
DO  - 10.1023/b:ejep.0000006552.89605.c8
UR  - https://pubmed.ncbi.nlm.nih.gov/14758866/
ID  - 14758866
ER  -