title: [I.I. Mechnikov and gnotobiology].
mesh_terms: D001695:Biology / Q000266:history; D005856:Germ-Free Life; D049672:History, 19th Century; D008829:Microbiology / Q000266:history*; D012425:Russia (Pre-1917)
vernacular_title: I.I. Mechnikov i gnotobiologiia.