Não informado. (2001). Biotechnology and Genetic Engineering Reviews. Intercept.
Lua i Stíl Chicago (17ú heag.)Não informado. Biotechnology and Genetic Engineering Reviews. Newcastle upon Tyne, Inglaterra: Intercept, 2001.
Lua MLA (8ú heag.)Não informado. Biotechnology and Genetic Engineering Reviews. Intercept, 2001.
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