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The development of virus-resistant alfalfa, Medicago sativa L.
Hill KK, Jarvis-Eagan N, Halk EL, Krahn KJ, Liao LW, Mathewson RS, Merlo DJ, Nelson SE, Rashka KE, Loesch-Fries LS. Hill KK, et al. Among authors: krahn kj. Biotechnology (N Y). 1991 Apr;9(4):373-7. doi: 10.1038/nbt0491-373. Biotechnology (N Y). 1991. PMID: 1367011