1. Brahnam, S., Chuang, C., Shih, F.Y., Slack, M.R.: Machine Recognition and Representation of Neonate Facial Displays of Acute Pain. International Journal of Artificial Intelligence in Medicine (AIIM) (in press and available on publisher website)
2. Brahnam, S., Chuang, C., Sexton, R., Shih, F.Y., Slack, M.R.: Machine Assessment of Neonatal Facial Expressions of Acute Pain. Decision Support Systems (in revision)
3. Wong, D., Baker, C.: Pain in Children: Comparison of Assessment Scales. Pediatric Nursing 14(1), 9017 (1988)
4. Craig, K.D.: The Facial Display of Pain in Infants and Children. In: Craig, K.D. (ed.) The Facial Display of Pain in Infants and Children, pp. 103–121. IASP Press, Seattle (1998)
5. Grunau, R.E., Grunau, R.V.E., Craig, K.D.: Pain Expression in Neonates: Facial Action and Cry. Pain 28(3), 395–410 (1987)