Blood in Scotland

J. D Cash
1988 BMJ (Clinical Research Edition)  
211 the proper analysis to make to get the true relative risk for smoking. There is thus a possibility that the adjusted relative risk for smoking in our paper is too low rather than too high.
doi:10.1136/bmj.296.6616.211-b fatcat:66jvn57khngihjz47kbd7ql6am