U.S. cancer death rates: a simple adjustment for urbanization.

PIP: This is an exploratory study of geographical factors affecting cancer mortality in the United States. Data were collected by the National Cancer Institute for the years 1950-1969 and concern mortality from cancer of the trachea, bronchus, and lung combined for white males. The authors discuss differences in mortality by level of urbanization and how these might be affected by differences in smoking patterns. (SUMMARY IN FRE)^ieng