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Paul C, Skegg DC, Spears GF, Kaldor JM.Paul C, et al. Among authors: spears gf.Br Med J (Clin Res Ed). 1986 Sep 20;293(6549):723-6. doi: 10.1136/bmj.293.6549.723.Br Med J (Clin Res Ed). 1986.PMID: 3094626Free PMC article.
Paul C, Skegg DC, Spears GF, Kaldor JM.Paul C, et al. Among authors: spears gf.Br Med J (Clin Res Ed). 1986 Nov 29;293(6559):1433-4. doi: 10.1136/bmj.293.6559.1433-a.Br Med J (Clin Res Ed). 1986.PMID: 3099898Free PMC article.No abstract available.
Skegg DC, Noonan EA, Paul C, Spears GF, Meirik O, Thomas DB.Skegg DC, et al. Among authors: spears gf.JAMA. 1995 Mar 8;273(10):799-804. doi: 10.1001/jama.273.10.799.JAMA. 1995.PMID: 7861575