This is a Python program based on the NegEx algorithm that detects the polarity of the clinical evidence in clinical random trials.
If you use this code please cite this paper:
P. Davis-Desmond and Diego Mollá. Detection of Evidence in Clinical Research Papers (2012). Australasian Workshop On Health Informatics and Knowledge Management (HIKM 2012), Melbourne, Australia.
http://www.ics.mq.edu.au/~diego/publications/hikm12.pdf