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- [7] INTEGRATION AND EXPRESSION OF HUMAN DIHYDROFOLATE-REDUCTASE GENE IN THE CHROMOSOME OF BACILLUS-SUBTILIS GENETIKA, 1987, 23 (10): : 1839 - 1846
- [10] STIMULATION OF SPORULATION BY PPAPP IN A CONDITIONALLY ASPOROGENOUS RIFAMPIN-RESISTANT MUTANT OF BACILLUS-SUBTILIS EXPERIENTIA, 1981, 37 (05): : 470 - 472