Search for: [Subject and Keywords = medycyna] OR [Subject and Keywords = nowotwory żołądka – krew] OR [Subject and Keywords = wrzód żołądka – krew] OR [Subject and Keywords = białka krwi] OR [Subject and Keywords = medicine] OR [Subject and Keywords = stomach neoplasms – blood] OR [Subject and Keywords = stomach ulcer – blood] OR [Subject and Keywords = blood proteins] OR [Title = Badanie porównawcze białka w surowicy krwi we wrzodzie i raku żołądka] OR [Creator = Sojka, Stanisław]