TY - JOUR AU - Christensen, L H TI - Host tissue interaction, fate, and risks of degradable and nondegradable gel fillers JO - Dermatol Surg IS - S02 VL - 35 PY - 2009 DO - 10.1111/j.1524-4725.2009.01338.x L3 - PubMed-ID: 19807755 SP - 1612 EP - 1619 ER -