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DAG Program:: Identifying Minimal Sufficient Adjustment Sets

Knüppel, Sven; Stang, Andreas

doi: 10.1097/EDE.0b013e3181c307ce
Letters to the Editor

Department of Epidemiology; German Institute of Human Nutrition Potsdam-Rehbruecke; Nuthetal, Germany; sven.knueppel@dife.de (Knüppel)

Institute of Clinical Epidemiology; Martin-Luther-University of Halle-Wittenberg; Halle (Saale), Germany (Stang)

© 2010 Lippincott Williams & Wilkins, Inc.