Evaluation of Negation and Uncertainty Detection and its Impact on Precision and Recall in Search. - Andrew S. Wu; Bao H. Do; Jinsuh Kim; Daniel L. Rubin (J. Digit. Imaging, 2011)

Automatic Retrieval of Bone Fracture Knowledge Using Natural Language Processing. - Bao H. Do; Andrew S. Wu; Joan Maley; Sandip Biswal (J. Digit. Imaging, 2013)