Upper Digestive Bleeding in Atrial Fibrillation: Evaluation of Gastroscopy Prior to Oral Anticoagulant Therapy (GOAT), Prospective, Randomized, Double Blind Study on a Community Population.

Upper Digestive Bleeding in Atrial Fibrillation: Evaluation of Gastroscopy Prior to Oral Anticoagulant Therapy (GOAT), Prospective, Randomized, Double Blind Study on a Community Population.