[1] Her dissertation was titled, Dietary effects of plasma lipoproteins and lecithin: cholesterol acyltransferase in the rhesus monkey (Macaca mulatta).

[1] Ershow was a staff fellow in the Epidemiology and Biostatistics Program of the National Cancer Institute from 1982 to 1989, where she worked on projects in China and Japan.

[1] From 1989 to 2014, Ershow worked at the National Heart, Lung, and Blood Institute (NHLBI) where she managed an extramural portfolio in lipid metabolism, atherogenesis, and cardiovascular nutrition.

[1] At NHLBI, Ershow set up the Dietary Effects on Lipoproteins and Thrombogenic Activity (DELTA) multicenter diet intervention trial and developed the plan for the National Food and Nutrient Analysis Program, an interagency food composition project involving USDA, NHLBI and other NIH institutes along with many other federal partners.

[1] In 2007, she was elected a fellow of the American Heart Association and also completed a detail assignment as a visiting analyst at the Government Accountability Office.