TY  - RPRT
TI  - Direction of causation models.
AU  - J Goldberg
AU  - V Ramakrishnan
PY  - 1994
DO  - 10.1002/gepi.1370110602
UR  - https://pubmed.ncbi.nlm.nih.gov/7713388/
ID  - 7713388
ER  -