Article: PDF OnlyA Comparative, Randomized, Controlled Study to Determine Safety and Efficacy of Preventive Pressure Ulcer Systems Preliminary AnalysisAronovitch, Sharon A. PhD, RN, CETN Author Information Sharon A. Aronovitch, PhD. RN. CETN. is a Consultant for Education, Research and Medicolegal Issues related to Wound, Ostomy, and Continence Nursing or, r Regents College. New York. Advances in Wound Care 11():p 15, March 1998. Buy © Williams & Wilkins 1998. All Rights Reserved.