TY  - GEN
AU  - Greenland,Sander
AU  - Robins,James M
TI  - Identifiability, exchangeability and confounding revisited
SN  - 1742-5573
PY  - 2010///0520
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1186/1742-5573-6-4
ER  -