title: [I knew him for 40 years (reminiscences of N. A. Semashko)].
mesh_terms: D049673:History, 20th Century; D011634:Public Health / Q000266:history*; D012425:Russia (Pre-1917); D014586:USSR
vernacular_title: Ia znal ego 40 let (vospominaniia o N. A. Semashko)