| | Sir Richard Doll -- Richmond 331 (7511): 295 Data Supplement - Longer version -- BMJ (Site not responding. Last check: 2007-10-18) |
 | | Doll and Hill both thought the most likely cause would prove to be pollution—smuts from coal fires were terrible in those days, but had been for decades, and the expansion of the motor industry had meant more tarring of roads, and more exhaust fumes. |
 | | The results were so compelling and so unexpected that Doll and Hill took the results to the MRC head Sir Harold Himsworth, who advised them that the results might be peculiar to London, and suggested that they repeat the study in other cities. |
 | | The government took no action on smoking for several years, but Bradford Hill advised that it was the researchers’ job to report, not to campaign—otherwise they might get too attached to their conclusions. |
| bmj.bmjjournals.com /cgi/content/full/331/7511/295/DC1 (2020 words) |