[Contamination by Escherichia coli of objects on river boats].
D003297:Cooking and Eating Utensils; D004926:Escherichia coli / Q000302:isolation & purification*; D009326:Naval Medicine; D012499:Sanitation; D014586:USSR
Pokazateli obsemeneniia kishechnoĭ palochkoĭ predmetov na rechnykh sudakh.