TY  - JOUR
AU  - Laurence, M
DO  - doi:10.1302/0301-620X.65B4.6874705
UR  - https://doi.org/10.1302/0301-620X.65B4.6874705
TI  - Ultra-clean air
T2  - The Journal of Bone & Joint Surgery British Volume
VL  - 65-B
IS  - 4
PY  - 1983
SP  - 375
EP  - 377
ER  -