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Priori power calculations were conducted based on expected effect sizes from previous studies of tobacco warning interventions, suggesting that a sample of approximately 600 participants would be sufficient to detect medium effects (power=0.80, =0.05)
The rapid release of these microfibres, which are typically made of cellulose acetate, had not been examined before, they added
These effects are very persistent, he said
Details sought from principal investigators of each participating study included data that had been collected on each woman's reproductive history and various other factors that may be relevant to the aetiology of breast cancer, including the women's consumption of alcohol and tobacco
They assessed the gloves for typing accuracy, fit, appearance, comfort, and ease of use (like the ability to pull your keys from your pocket while wearing them, for instance)
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