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Bennett, R.I., Smith, A.G. The complete nucleotide sequence of the intergenic spacer region of an rDNA operon from Brassica oleracea and its comparison with other crucifers. Plant Mol Biol 16, 1095–1098 (1991). https://doi.org/10.1007/BF00016085
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DOI: https://doi.org/10.1007/BF00016085