Advances in ulcer disease : proceedings of a Symposium on the Pathogenesis and Therapy of Ulcer Disease, Munich, March 13-14, 1980
Symposium on the Pathogenesis and Therapy of Ulcer Disease
Bok Språk ikke angitt 1980
Symposium on the Pathogenesis and Therapy of Ulcer Disease
Bok Språk ikke angitt 1980