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Bagni C, Mariottini P, Annesi F, Amaldi F (Feb 1994). "Human ribosomal protein L4: cloning and sequencing of the cDNA and primary structure of the protein". Biochim Biophys Acta. 1216 (3): 475–8. doi:10.1016/0167-4781(93)90017-8. PMID8268230.