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Bruce WB, Christensen AH, Klein T, Fromm M, Quail PH.Bruce WB, et al. Among authors: christensen ah.Proc Natl Acad Sci U S A. 1989 Dec;86(24):9692-6. doi: 10.1073/pnas.86.24.9692.Proc Natl Acad Sci U S A. 1989.PMID: 2602370Free PMC article.
Quail PH, Colbert JT, Peters NK, Christensen AH, Sharrock RA, Lissemore JL.Quail PH, et al. Among authors: christensen ah.Philos Trans R Soc Lond B Biol Sci. 1986 Nov 17;314(1166):469-80. doi: 10.1098/rstb.1986.0066.Philos Trans R Soc Lond B Biol Sci. 1986.PMID: 2879299Review.