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Protocol for the Smoking, Nicotine and Pregnancy (SNAP) trial: double-blind, placebo-randomised, controlled trial of nicotine replacement therapy in pregnancy

Tim Coleman email, Jim Thornton email, John Britton email, Sarah Lewis email, Kim Watts email, Michael WH Coughtrie email, Clare Mannion email, Neil Marlow email and Christine Godfrey email

BMC Health Services Research 2007, 7:2doi:10.1186/1472-6963-7-2

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