TY - JOUR T1 - Necrobiotic granuloma formation at a collagen implant treatment site JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - 163 LP - 165 VL - 50 IS - 2 AU - Javier Ruiz-Esparza AU - Mary Bailin AU - Philip L. Bailin Y1 - 1983/06/20 UR - http://www.ccjm.org/content/50/2/163.abstract N2 - Collagen implantation in a patient for correction of facial wrinkles eventually resulted in necrobiotic granulomas at the treatment site which eventually resolved. Reaction at the test site had been negative. ER -