1. Normal and pathologic tissue reactions to soft tissue gel fillers.;Christensen;Dermatol Surg,2007
2. Adverse reactions to injectable soft tissue permanent fillers. Review.;Christensen;Aesth Plast Surg,2005
3. Complications of breast augmentation with injected hydrophilic polyacrylamide gel.;Cheng;Aesth Plast Surg,2002
4. Risk profiles of different injectable fillers: results from the injectable filler safety study (IFS study).;Zielke;Dermatol Surg,2007
5. Delayed immune-mediated adverse effects related to hyaluronic acid and acrylic hydrogel dermal fillers: clinical findings, long-term follow-up and review of the literature.;Alijotas-Reig;JEADV,2008