Phredクオリティスコア
↑ Dear S, Staden R (1992): A standard file format for data from DNA sequencing instruments. DNA Sequence, 3, 107-110. PMID 1457811
↑ Bonfield JK, Staden R (1995): The application of numerical estimates of base calling accuracy to DNA sequencing projects. Nucleic Acids Res. 1995 Apr 25;23(8):1406-10. PMID 7753633
↑ Richterich P (1998). “Estimation of errors in "raw" DNA sequences: a validation study”. Genome Res. 8 (3): 251–259. PMC 310698. PMID 9521928. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC310698/.