Medical Genetics ◆ Measuring familial aggregation in qualitative traits ① Relative Risk入r ② Case-control studies: Patients with a disease(the cases)are compared with suitably chosen individuals without the disease(the controls),with respect to family history of disease(as well as other factors,such as environmental exposures, occupation,geographical location,parity,and previous illnesses). This document is produced by trial version of Print2Flash.Visit www.print2flash.com for more informationThis document is produced by trial version of Print2Flash. Visit www.print2flash.com for more information