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Portal RW.Portal RW.Br Med J (Clin Res Ed). 1984 Jan 21;288(6412):167-8. doi: 10.1136/bmj.288.6412.167.Br Med J (Clin Res Ed). 1984.PMID: 6419840Free PMC article.No abstract available.
Portal RW.Portal RW.Br Med J (Clin Res Ed). 1982 Mar 20;284(6319):843-4. doi: 10.1136/bmj.284.6319.843.Br Med J (Clin Res Ed). 1982.PMID: 6802320Free PMC article.No abstract available.
Portal RW.Portal RW.Br Med J (Clin Res Ed). 1981 Nov 7;283(6301):1202-3. doi: 10.1136/bmj.283.6301.1202.Br Med J (Clin Res Ed). 1981.PMID: 6797507Free PMC article.No abstract available.
Portal RW.Portal RW.Br Med J (Clin Res Ed). 1981 Oct 17;283(6298):1046-7. doi: 10.1136/bmj.283.6298.1046.Br Med J (Clin Res Ed). 1981.PMID: 20741638Free PMC article.No abstract available.
Ingram DA, Fulton RA, Portal RW, Aber CP.Ingram DA, et al. Among authors: portal rw.Br Med J. 1980 Sep 6;281(6241):636-7. doi: 10.1136/bmj.281.6241.636.Br Med J. 1980.PMID: 7437744Free PMC article.
Warrell RJ, Portal RW.Warrell RJ, et al. Among authors: portal rw.Br Med J. 1980 Mar 29;280(6218):919-21. doi: 10.1136/bmj.280.6218.919.Br Med J. 1980.PMID: 7388370Free PMC article.No abstract available.