TY  - RPRT
TI  - On doing the "impossible": inferring that a putative causal relationship does not exist.
AU  - W Hall
AU  - S Einfeld
PY  - 1990
DO  - 10.3109/00048679009077687
UR  - https://pubmed.ncbi.nlm.nih.gov/2396967/
ID  - 2396967
ER  -