PT - JOURNAL ARTICLE AU - Martin Kohlmeier AU - Emmanuel Baah TI - When Mendelian randomisation fails AID - 10.1136/bmjnph-2021-000265 DP - 2021 Mar 21 TA - BMJ Nutrition, Prevention & Health PG - bmjnph-2021-000265 4099 - http://nutrition.bmj.com/content/early/2021/03/22/bmjnph-2021-000265.short 4100 - http://nutrition.bmj.com/content/early/2021/03/22/bmjnph-2021-000265.full