Comparison of Horizontal and Vertical Unidirectional (Laminar) Air-flow Systems in Orthopedic SurgeryRITTER, MERRILL, A.*; EITZEN, HAROLD, E.**; FRENCH, MORRIS**Section Editor(s): AKESON, WAYNE H. M.D.; MURPHY, ROBERT W. M.D. Clinical Orthopaedics and Related Research: November-December 1977 - Volume - Issue 129 - p 205–208 SECTION II: GENERAL ORTHOPAEDICS: PDF Only Free Author InformationAuthors *1815 North Capitol, Suite 214, Indianapolis, Indiana 46202. **Clinical Pathology Department, Indiana University School of Medicine, 1100 West Michigan, Indianapolis, Indiana 46202. Received: Febuary 22, 1977 © Lippincott-Raven Publishers.