Facial action, Infant newborn, Pain measurement, Postoperative pain
dx.doi.org/10.1097/00002508-200311000-00003, hdl.handle.net/1765/66570
Clinical Journal of Pain
Department of Pediatric Surgery

Peters, J.W.B, Koot, J.M, Grunau, R.E, de Boer, J.B, van Druenen, M.J, Tibboel, D, & Duivenvoorden, H.J. (2003). Neonatal Facial Coding System for Assessing Postoperative Pain in Infants: Item Reduction is Valid and Feasible. Clinical Journal of Pain, 19(6), 353–363. doi:10.1097/00002508-200311000-00003