TY - GEN AU - Breau,L M AU - McGrath,P J AU - Craig,K D AU - Santor,D AU - Cassidy,K L AU - Reid,G J TI - Facial expression of children receiving immunizations: a principal components analysis of the child facial coding system SN - 0749-8047 PY - 2001///1207 KW - Acute Disease KW - Adult KW - Analysis of Variance KW - Anxiety KW - psychology KW - Child, Preschool KW - Diphtheria-Tetanus-Pertussis Vaccine KW - adverse effects KW - Facial Expression KW - Female KW - Humans KW - Immunization KW - Male KW - Needles KW - Pain KW - etiology KW - Pain Measurement KW - Poliovirus Vaccine, Inactivated KW - Predictive Value of Tests KW - Principal Component Analysis KW - Regression Analysis N1 - Publication Type: Clinical Trial; Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1097/00002508-200106000-00011 ER -