Codon usage patterns in<i>Escherichia coli, Bacillus subtilis, Saccharomyces cerevisiae, Schizosaccharomyces pombe, Drosophila melanogaster</i>and<i>Homo sapiens</i>; a review of the considerable within-species diversityPaul M. Sharp, Frank Wright|Nucleic Acids Research|1988Cited by 592