TY - JOUR AU - Simons, S H; Tibboel, D TI - Pain perception development and maturation JO - Semin Fetal Neonatal Med IS - 04 VL - 11 PY - 2006 DO - 10.1016/j.siny.2006.02.010 L3 - PubMed-ID: 16621747 SP - 227 EP - 231 ER -