| distribution of borrelia species associated with lyme disease in the subalpine forests of nagano prefecture, japan. | we surveyed the natural distribution of borrelia species associated with lyme disease in the subalpine forests of nagano prefecture, japan, during 1993-94. tick-derived isolates (n = 112) from ixodes persulcatus and rodent-derived isolates (n = 55) from apodemus argenteus, apodemus speciosus, eothenomys andersoni, eothenomys smithii, and microtus montebelli were classified by rrna gene restriction fragment length polymorphism analysis (rflp ribotyping). ribotype group iv (an intraspecific varian ... | 1996 | 8709867 |