@misc{indiciae1fe51979ee6b, title = {Confounded by confounding: separating association from causation.}, author = {H T Davies and F L Williams}, year = {1999}, doi = {10.12968/hosp.1999.60.4.1098}, url = {https://pubmed.ncbi.nlm.nih.gov/10396438/}, note = {Source identifier: 10396438} }