Ryden, R; Moore BJ (1977). „The in vitro activity of apramycin, a new aminocyditol antibiotic”. J Antimicrob Chemother. 3 (6): 609—613. PMID340441. doi:10.1093/jac/3.6.609.
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Ryden, R; Moore BJ (1977). „The in vitro activity of apramycin, a new aminocyditol antibiotic”. J Antimicrob Chemother. 3 (6): 609—613. PMID340441. doi:10.1093/jac/3.6.609.