Refleks s polosti rta na zheludochnoe otdielenie : dissertatsiia na stepen' doktora meditsiny / Nikolaia Ketchera ; tsenzorami dissertatsii, po porucheniiu Konferentsii, byli professory I.R. Tarkhanov, I.P. Pavlov i privat-dotsent P.A. Val'ter.
Ketcher, Nikolai Iakovlevich, 1859- | Date: 1890
