title: [The Keller A. A. contribution to medical geography and ecology].
authors.forename: V V
authors.initials: VV
authors.lastname: Romanovskiĭ
authors.forename: N I
authors.initials: NI
authors.lastname: Liashenko
authors.forename: S G
authors.initials: SG
authors.lastname: Grigor'ev
mesh_terms: D004463:Ecology / Q000266:history*; D005843:Geography / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D008887:Military Medicine / Q000266:history*; D009326:Naval Medicine / Q000266:history*; D012426:Russia