RT Journal Article SR Electronic T1 Biological effects of proteolytic enzyme detergents. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 621 OP 634 DO 10.1136/thx.31.6.621 VO 31 IS 6 YR 1976 UL http://thorax.bmj.com/content/31/6/621.abstract AB