title: [Penetration of contrast substances into ultrafine sections and effect of their surface zone on image formation].
mesh_terms: D003287:Contrast Media; D004058:Diffusion; D006652:Histological Techniques; D008853:Microscopy; D008854:Microscopy, Electron; D013194:Staining and Labeling
chemical_list: D003287:Contrast Media
vernacular_title: Proniknovenie kontrastiruiushchikh veshchestv v ul'tratonkie srezy i vliianie ikh poverkhnostnoĭ zony na formirovanie izobrazheniia.