sterile container with stool test on the toilet bowl in the toilet. concept for examining stool for dysbacteriosis

toilet feces analysis stool occult blood test container dysbacteriosis coprogram calprotectin laboratory study medicine medical parasites worms helicobacter pathogenic microflora gastroenterology microbiological diseases gastrointestinal tract cologram helminth eggs biochemical background digestion copy space text preparation protozoan disease intestinal infections oocytesitis pan bacteria