Sunbury, PA, 2016-Sep-18 — /EPR Retail News/ — Weis Markets today (September 16, 2016) announced it has opened full-service pharmacies in three former Mars locations which now operate as Weis Markets’ stores. The pharmacies are located in its Essex, Wise Avenue and Holabird Avenue stores in Dundalk. In late July, Weis Markets converted five Mars locations to Weis…