[On the classification of the causative agent of "Ukrainian" tick relapsing eer].
D000818:Animals; D006168:Guinea Pigs; D012061:Relapsing Fever; D013142:Spirochaeta / Q000145:classification*; D013987:Ticks; D014455:Ukraine
O vidovoĭ prinadlezhnosti vozbuditelia "Ukrainskogo" kleshchevogo vozvratnoog tifa.