Document dDx7V3pw7OQVygJgZZK6m9mEe

2k7. over the long range period of time on safe levels of dust, because of the individual exposed long enough toa dust, he will get the same effects over a long period of time which he canin a short period of time in higher concentration. BY DOCTOR 3R0DEIH: My name is Brodkin and I was going to ask a simple question. The incidence of scars is frequent enough. Has anyone made any correlation between the tendency to kslcid formation and the extent of fibrosis? You take two individuals. Each has the seme scar over an area; one will develop -- irrespective of any infectious bacteria, one will develop a large keloid, the other one will develop a fine hair-line scar. Has tnere been any correlation of that? 5Y DOCTOR VORWALD: Who is he asking that of? BY DOCTOR DRIIIKER; Were you asking that of anyone in particular? EY DOCTOR BRODKIK: l Well, anyone. BY DOCTOR VOKWALD: I hav>e no evidence - I have no evidence to sr.ow that, for example, individuals or subjects from the I'ices who develop keloids very readily, that they respond .more readily to the deposition of dust in the lungs with t.-.e SEVENTH SARANAC -0283