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Flüeler U, Taylor D, Hing S, Kendall B, Finn JP, Brett E.Flüeler U, et al.Arch Ophthalmol. 1990 Jun;108(6):812-5. doi: 10.1001/archopht.1990.01070080054035.Arch Ophthalmol. 1990.PMID: 2350284
Robb SA, Pohl KR, Baraitser M, Wilson J, Brett EM.Robb SA, et al. Among authors: brett em.Arch Dis Child. 1989 Jan;64(1):83-6. doi: 10.1136/adc.64.1.83.Arch Dis Child. 1989.PMID: 2466440Free PMC article.
Scheffer IE, Baraitser M, Brett EM.Scheffer IE, et al. Among authors: brett em.Dev Med Child Neurol. 1991 Oct;33(10):916-20. doi: 10.1111/j.1469-8749.1991.tb14803.x.Dev Med Child Neurol. 1991.PMID: 1743417