NegAIT: A new parser for medical text simplification using morphological, sentential and double negation. - Partha Mukherjee; Gondy Leroy; David Kauchak; Srinidhi Rajanarayanan; Damian Y. Romero Diaz; Nicole P. Yuan; T. Gail Pritchard; Sonia Colina (J. Biomed. Informatics, 2017)