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The two estimates are not wholly comparable because of the difference in age at recruitment and the stage at which smoking status was recorded but are sufficiently similar to suggest the validity of the findings of this study
Funnel plots and Egger's test were employed to assess potential publication bias ( I 2 statistic was calculated to quantify the heterogeneity of the results between studies
Artwork by Laurie Simmons
I thought, this is awful, but people loved it. When it was time to record Cigarette in the studio, The Clarks kept the line about circus freaks and the Fayette County Fair in the song
Hywel Williams, director of the NIHR health technology assessment programme, described the study as groundbreaking
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