1. Fettransplantation: verhandlun gen der deutschen gesellschaft fur chirurgie;Neuber;Zentralblatt fur chirurgie,1893
2. Histo-pathology of paraffin prosthesis;Heidingsfeld;Journal of Cutaneous Diseases,1906
3. 2005 Procedural census. Available at: http://www.cosmeticsurgery.org. Accessed January 30, 2006.
4. Topical tacrolimus in the treatment of bovine collagen hypersensitivity;Moody;Dermatol Surg,2001
5. The treatment of bovine collagen allergy with cyclosporine;Baumann;Dermatol Surg,1999