TY - JOUR AU - Nicolau, P J TI - Long-lasting and permanent fillers: biomaterial influence over host tissue response JO - Plast Reconstr Surg IS - 07 VL - 119 PY - 2007 DO - 10.1097/01.prs.0000260710.30934.a1 SP - 2271 EP - 2286 ER -