HOLTERMULLER KARL-HANS /red./ 537,545 Advances in ulcer disease. Proceedings of a Symposium on the Pathogenesis and Therapy of Ulcer Disease. Munich, March 13-14, 1980. Ed-s: Karl - Hans Holtermuller, Juan - Roman Malagelada. Amsterdam 1980 Excerpta Medica 8° s. X, 558, nlb, 1, il. Excerpta Medica, International Congress ser. nr 537