Finding Negative Symptoms of Schizophrenia in Patient Records Genevieve Gorrell author Angus Roberts author Richard Jackson author Robert Stewart author 2013-09 text Proceedings of the Workshop on NLP for Medicine and Biology associated with RANLP 2013 Guergana Savova editor Kevin Bretonnel Cohen editor Galia Angelova editor INCOMA Ltd. Shoumen, BULGARIA Hissar, Bulgaria conference publication gorrell-etal-2013-finding https://aclanthology.org/W13-5102/ 2013-09 9 17