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Lean JS, Chignell AH.Lean JS, et al.Trans Ophthalmol Soc U K (1962). 1981;101(1):186-8.Trans Ophthalmol Soc U K (1962). 1981.PMID: 6964230No abstract available.
van der Zee WA, Lean JS, Ryan SJ.van der Zee WA, et al. Among authors: lean js.Graefes Arch Clin Exp Ophthalmol. 1984;221(4):182-5. doi: 10.1007/BF02134262.Graefes Arch Clin Exp Ophthalmol. 1984.PMID: 6706146