TY  - BOOK
AU  - Choudhary, P.
TI  - R factor
SN  - 8170366275
AV  - QR177 .R18
U1  - 616.01/4 23rd ed.
PY  - 1977///
CY  - New Delhi
PB  - Response book
KW  - R factors
KW  - Drug resistance, Microbial
KW  - Extrachromosomal inheritance
N1  - Includes bibliographies and indexes
ER  -