Document bBp6nKmG5NLpYwejDbBbjZZ1g

and that is that I find that radiologists known as little about -radiographs of pneumoconiosis as general physicians know about the clinical and physiological picture of pneumo coniosis* eminent radiologist in London and he told me that the i radiological side of the-pneumoconioses had been completely; i worked out and there was no further 'cause to. do' any work in j that subject at all. And when I got'down to.South Waxes, I started studying literature* Could I have the first slide, please? And this is a brief summary of the sort of thing I found about tne j systems of classification that had beemrtdely used in re- j lation to coal miners, particularly in various countries. ,* There was the original ILO classification with the three j i ! stages which were partly radiological and partly clinical; there was the Miners South African Classification that some I authori had attempted to apply to coal miners with all tnesi elaborate, classifications here, mostly based on the site ofj the -operation; the American Public Health Service classlfi-j cation used in those excellent reports in the hard ana toTtj coal miners, again with various elaborate subdivisions. ; l Now, these ones here, and this side of the -:1a.-ran, I know the real equivalents in these classifications,teca-s# SEVENTH SARANAC -0187