Zakharchenko, M P [Problems in the diagnosis of dysbacteriosis under the influence of environmental factors]. [electronic resource] - Gigiena i sanitariia - 74-6 p. digital Publication Type: Journal Article ISSN: 0016-9900 Subjects--Topical Terms: Diagnosis, DifferentialEnvironmental Exposure--adverse effectsGastrointestinal Diseases--diagnosisHumans