Koch GA, Eddy RL, Haley LL, Byers MG, McAvoy M, Shows TB (Apr 1983). "Assignment of the human phosphoserine phosphatase gene (PSP) to the pter leads to q22 region of chromosome 7". Cytogenetics and Cell Genetics. 35 (1): 67–9. doi:10.1159/000131839. PMID6297854.
Koch GA, Eddy RL, Haley LL, Byers MG, McAvoy M, Shows TB (Apr 1983). "Assignment of the human phosphoserine phosphatase gene (PSP) to the pter leads to q22 region of chromosome 7". Cytogenetics and Cell Genetics. 35 (1): 67–9. doi:10.1159/000131839. PMID6297854.