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Lawlor, DA; Ebrahim, S; Smith, GD; (2004) Smoking before the birth of a first child is not associated with increased risk of breast cancer: findings from the British Women's Heart and Health Cohort Study and a meta-analysis. British journal of cancer, 91 (3). pp. 512-8. ISSN 0007-0920 DOI: https://doi.org/10.1038/sj.bjc.6601916

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