Should surely be called case-control study, with redirects from case-control trial, case-controlled trial, case-controlled study and case-control -- Hugh2414 23:10, 16 Apr 2004 (UTC)
Should surely be called case-control study, with redirects from case-control trial, case-controlled trial, case-controlled study and case-control -- Hugh2414 23:10, 16 Apr 2004 (UTC)