Authors: J R Gulcher; D E Nies; M J Alexakos; N A Ravikant; M E Sturgill; L S Marton; K Stefansson Journal: Proc Natl Acad Sci U S A Date: 1991-11-01 Impact factor: 11.205
Authors: H Shibuya; M Yoneyama; Y Nakamura; H Harada; M Hatakeyama; S Minamoto; T Kono; T Doi; R White; T Taniguchi Journal: Nucleic Acids Res Date: 1990-07-11 Impact factor: 16.971