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diff --git a/content/Biokemi/Plasmidlabb/Referenser.md b/content/Biokemi/Plasmidlabb/Referenser.md
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+
+- A rapid alkaline extraction procedure for screening recombinant plasmid DNA.
+	- H.C. Birnboim, J. Doly
+	- 1973
+	- [10.1093/nar/7.6.1513](https://doi.org/10.1093/nar/7.6.1513)
+- Nonchromosomal Antibiotic Resistance in Bacteria: Genetic Transformation of _Escherichia coli_ by R-Factor DNA
+	- Stanley N. Cohen, Annie C. Y. Chang, and Leslie Hsu
+	- 1972
+	- 10.1073/pnas.69.8.2110
+- New versatile cloning and sequencing vectors based on bacteriophage M13
+	- M P Kieny, R Lathe, J P Lecocq
+	- 1983
+	- 10.1016/0378-1119(83)90039-2
+- Restriction and modification enzymes and their recognition sequences
+	- R J Roberts
+	- 1985
+	- 10.1093/nar/13.suppl.r165
+- Detection of two restriction endonuclease activities in Haemophilus parainfluenzae using analytical agarose--ethidium bromide electrophoresis
+	- P A Sharp, B Sugden, J Sambrook
+	- 1973
+	- 10.1021/bi00740a018
+
+
+
diff --git a/content/doi.org/10.1093/nar/7.6.1513.md b/content/doi.org/10.1093/nar/7.6.1513.md
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