25 years ago, the idea of computing system implementing the principle of ecology of experimental data was made. What is it about? Medical sciences are traditionally based on observation, on case studies.
Latest period under impact of physic and biology move the focus of scientific interest towards to reproducible experiment on animal. Laboratory methods in defined conditions simplify creation of models, naturally the reinterpretation back to the clinical environment is complicated and the experiments are of increasing difficulty.
This aspect is in the focus of postmodern thinking critique.