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Estimating the sample size for a pilot randomised trial to minimise the overall trial sample size for the external pilot and main trial for a continuous outcome variable

The message from UK public health experts is crystal clear: vaping is significantly less harmful than smoking traditional, combustible tobacco

Wow, really? was the only response I got for this

The film fleshes out the twisted Patrick Bateman against a vivid illustration of his world, highlighting the scope of his actions in the vapid and comfortable life around him

Because interruption of PUVA treatment is not necessary in these cases, it is important to be able to correctly identify this adverse effect