controversial paper

(MedPage Today) -- In an article and editorial published online, a leading medical journal, BMJ, has taken aim at a competitor, The Lancet, by singling out a controversial paper that falsely linked a vaccine to increased risk of autism.

A scientific journal has retracted a controversial paper claiming to have created the first human sperm from embryonic stem cells.

The journal's editor told the science publication Nature that the study by scientists at Britain's Newcastle University was retracted because two paragraphs in its introduction had been plagiarized.