共 50 条
- [1] POLARITY OF DNA ENTRY IN TRANSFORMATION OF STREPTOCOCCUS-PNEUMONIAE MOLECULAR & GENERAL GENETICS, 1988, 213 (2-3): : 444 - 448
- [9] POLARITY OF LOCALIZED CONVERSION IN STREPTOCOCCUS-PNEUMONIAE TRANSFORMATION MOLECULAR & GENERAL GENETICS, 1987, 208 (1-2): : 361 - 363