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2. Case studies: Correction of surgical scars, acne scars, and rhytides with Zyderm and Zyplast Implants;Bailin;J Dermatol Surg Oncol,1988
3. Collagen implantation: Clinical applications and lesion selection;Bailin;J Dermatol Surg Oncol,1988
4. Bovine Spongiform Encephalopathy;Bulletin Collagen,1996
5. Injectable collagen: A 6-year clinical investigation;Cooperman;Aesthetic Plast Surg,1985