TY - JOUR AU - Lemperle, G; Morhenn, V; Charrier, U TI - Human histology and persistence of various injectable filler substances for soft tissue augmentation JO - Aesthetic Plast Surg IS - 5 VL - 27 PY - 2003 DO - 10.1007/s00266-003-3022-1 SP - 354 EP - 366 N1 - , discussion 367 ER -