共 18 条
[3]
BIRNBOIM HC, 1979, NUCLEIC ACIDS RES, V7, P1513
[4]
EXTRACHROMOSOMAL ELEMENTS IN GROUP N STREPTOCOCCI
[J].
JOURNAL OF BACTERIOLOGY,
1974, 117 (03)
:1149-1152
[5]
DAVIES BL, 1981, J DAIRY RES, V48, P363