Page 41 of Attachment E 
Scientific Papers: 
* Also available from: Office of Safety, National Cancer Institute, 
National Institutes of Health, Bethesda, Md. 20014, U.S.A. 
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5. Gilbert, Walter(1978). "Why genes in pieces?” Nature Vol. 271:501. 
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D. (1977). “Expression of the structural genes for catabolic 
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14 Struhl, K„ Cameron, J.R., and Davis, R.W. (1976). “Functional 
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Natl. Acad. Sci. USA. 74:3508-3512. 
16. McBride, O.W., Birch, J.W. and Ruddle, F.H. (1978). “Cotransfer of 
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