Fig. 3From: Prevalence of Mycobacterium avium subspecies paratuberculosis IS 900 DNA in biopsy tissues from patients with Crohn’s disease: histopathological and molecular comparison with Johne’s disease in Fars province of IranPositive acid-fast staining of affected intestines as paucibacillary in Crohn’s disease (a and b) and multibacillary in Johne’s disease (c and d). Presence of pink to red material with bacterial like morphology are seen, especially inside cells. ZN staining, human, (× 1000)Back to article page