Trohoc : This term is regarded with disapproval by the majority of epidemiologists. It is used to describe an epidemiological study which starts with the outcome and looks backward for the causes
Heriot-Watt University, School of Life Sciences, Some Terms Used In Toxicology and Chemical Safety, Edinburgh, UK 1992. http://www.who.int/ipcs/publications/methods/harmo nization/en/compilation_nov2001.pdf, (Tox and Chem Sfty - Amer) {85}