ANNALS OF THE NEW YORK ACADEMY OF SCIENCES Volume 132, Art. 1 Pages 1-766 BIOLOGICAL EFFECTS OF ASBESTOS Conference Cochairmen I.

12 In trying to explain this mysterious epidemic, Wag* ner, 22*6 noting that "asbestos bodies" were found in the lungs of some of their patients, obtained detailed life histories of these patients.

55 107.

115 The original recommendation by BOHS (1969) stated; *'Such early clinical signs will be less than 1% for an accumulated exposure of 100 fibre years per cm"**'.

could explain an increaxd frequency of pleural plaques in exsmokers because damaged clearance mechanisms unaided bv continued smoking may lead to higher "effec tive ' doses of asbestos in the tissues.

h i' I BRAKE LINING DECOMPOSITION PRODUCTS . .'

Page 2912 1 And I performed shortly after my retirement a similar 2 wear study in the railroad materials which the 3 combination of which the hot spotting studies 4 experimentally and analytically and the railroad wear 5 studies provided very good evidence of what happens. 6 Q When did you start this research, do you 7 recall?

Page 3162 1 When is the last time you did any animal 2 experiments with chrysotile asbestos?

1 evidence.

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William R.

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