Lidwell, Owen M., Reginald A. Elson, Edward J. L. Lowbury, William Whyte, Robert Blowers, Susan J. Stanley, and Derek Lowe. 1987. “Ultraclean Air and Antibiotics for Prevention of Postoperative Infection: A Multicenter Study of 8,052 Joint Replacement Operations”. Acta Orthopaedica 58 (1):4-13. https://doi.org/10.3109/17453678709146334.