TY - JOUR AU - Berg, M AU - Bergman, BR AU - Hoborn, J DO - doi:10.1302/0301-620X.73B5.1894672 UR - https://doi.org/10.1302/0301-620X.73B5.1894672 TI - Ultraviolet radiation compared to an ultra-clean air enclosure. Comparison of air bacteria counts in operating rooms T2 - The Journal of Bone & Joint Surgery British Volume VL - 73-B IS - 5 PY - 1991 SP - 811 EP - 815 ER -