Researchers analysed thousands of laboratory-made plasmids and discovered that nearly half of them had defects, raising questions of experimental reproducibility.
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It was in 2006 that the man sent for his son, who had been living with a relative up until then.
In order for the boy to be able to travel the relative helped him acquire a new birth certificate, as his original documents had been lost during a fire during the country's bitter civil war.
However, the birth date in the passport issued was incorrect and after the son had arrived in Sweden, he contacted the Sierra Leone authorities and a new passport was issued.
The new passport was subsequently shown to the local office of the Swedish Migration Board in Sundsvall, along with test results from a DNA test carried out by the National Board of Forensic Medicine (Rättsmedicinalsverket - RMV) indicating that man is the father.
Both the Administrative Court (Förvaltningsrätten) and the Supreme Administrative Court...