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Cerebrospinal fluid-contacting neurons of the central canal and terminal ventricle in various vertebrates. Cell and Tissue Research, 231(3), 615–621
DOI: 10.1007/BF00218119
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The pineal organ of Raja clavata: Opsin immunoreactivity and ultrastructure. Cell and Tissue Research, 228(1), 139–148
DOI: 10.1007/BF00206272