540,671 RILEY A. J. [red] Ranitidine. Proceedings of an International Symposium held in the context of the Seventh World Congress of Gastroenterology, Stockholm 17th June 1982. Ed-s: A. J. Riley and P. R. Salmon. Sumn. in French, German, Italian and Spanish. Amsterdam 1982 Excerpta Medica 8 s. IX, nlb. 1, 227, nlb. 3, 11, nlb. 1, 10, nlb.1; 11, nlb. 1, 11 Current Clinical Practice nr 1