The case-control study: Valid selection of subjects

• 31 December 1985
• journal article
• Published by Elsevier in Journal of Chronic Diseases
• Vol. 38  (7) , 551-552
• https://doi.org/10.1016/0021-9681(85)90041-4

Abstract

Keywords

• VALID SELECTION
• SELECTION OF SUBJECTS
• CASE CONTROL STUDY