290,293 INTERNATIONAL International Medicine. The monthly add-on journal. First series 1981-1983. Oxford 1982 Medical Education /International/1 Ltd 40 Nr 13. Gastrointestinal disorders. P. 2 s. nlb. 8, 567-614, il. Nr 14. Gastrointestinal disorders. P. 3 s. nlb. 4, 615-662, il.