Nucleotide sequence of the initiation site for ribosomal RNA transcription in Drosophila melanogaster: comparison of genes with and without insertions.
Proc Natl Acad Sci U S A. 1981 Mar;78(3):1513-7. doi: 10.1073/pnas.78.3.1513.
Proc Natl Acad Sci U S A. 1981.
PMID: 6262809
Free PMC article.