POSSIBILITY OF SELECTION BIAS IN MATCHED CASE-CONTROL STUDIES USING FRIEND CONTROLS1

• 1 July 1986
• journal article
• research article
• Published by Oxford University Press (OUP) in American Journal of Epidemiology
• Vol. 124  (1) , 150-153
• https://doi.org/10.1093/oxfordjournals.aje.a114359

Abstract

Keywords

• CONTROL GROUPS