They are excluded in the following description. Figure I shows highly significant increases in the age-adjusted incidence rates of malignant meso- thelioma both of the pleura and of the peritoneum; a 15k Total Pleura 101- 5 0 - -- ~~~-----Peritoneum I I I I' I even the rate of peritoneal mesothelioma becomes steady for both sexes from the mid-1960s onward and the steepness of the rate increase of pleural mesothelioma declines throughout the 1970s.
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