略語大辞典 [Med] 9 DDW Digestive Disease Week (アメリカの)消化器病週間. 一週間内に同じ場所で消化器関連学会をすべて行う方式. Digestive Disease Week; concurrent conferences of digestive diseases in a week at a place; (US); [Med:Pub]. 丸善「略語大辞典」JLogosID : 11871005