[The development of studies on protozoa of the intestinal tract, and diseases caused by them, for 50 years].
D049673:History, 20th Century; D007411:Intestinal Diseases, Parasitic / Q000266:history*; D011528:Protozoan Infections / Q000266:history*; D014586:USSR
Razvitie issledovaniĭ po prosteĭshim kishechnika i zabolevaniiam, vyzyvaemym imi, za 50 let.