PT - JOURNAL ARTICLE AU - Ruiz-Esparza, Javier AU - Bailin, Mary AU - Bailin, Philip L. TI - Necrobiotic granuloma formation at a collagen implant treatment site DP - 1983 Jun 20 TA - Cleveland Clinic Journal of Medicine PG - 163--165 VI - 50 IP - 2 4099 - http://www.ccjm.org/content/50/2/163.short 4100 - http://www.ccjm.org/content/50/2/163.full SO - Cleve Clin J Med1983 Jun 20; 50 AB - 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.