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Walker DA, McCormick AV, Stokes DM.Walker DA, et al. Among authors: stokes dm.Nature. 1971 Oct 1;233(5318):346-7. doi: 10.1038/233346a0.Nature. 1971.PMID: 4940433No abstract available.
Walker DA, Stokes DM.Walker DA, et al. Among authors: stokes dm.Br Med J. 1970 Oct 24;4(5729):243. doi: 10.1136/bmj.4.5729.243-b.Br Med J. 1970.PMID: 5472792Free PMC article.No abstract available.
Stokes DM, Walker DA.Stokes DM, et al.Br Med J. 1970 Aug 22;3(5720):462-3. doi: 10.1136/bmj.3.5720.462-c.Br Med J. 1970.PMID: 5454330Free PMC article.No abstract available.