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Chironna M, Germinario C, Lopalco PL, Quarto M, Barbuti S.Chironna M, et al. Among authors: lopalco pl.Epidemiol Infect. 2000 Aug;125(1):163-7. doi: 10.1017/s0950268899004215.Epidemiol Infect. 2000.PMID: 11057972Free PMC article.
Gabutti G, Fedele A, Aprile V, Guido M, Lopalco P.Gabutti G, et al.Vaccine. 2003 Jan 17;21(5-6):399-400. doi: 10.1016/s0264-410x(02)00402-4.Vaccine. 2003.PMID: 12531638
D'Ancona F, Salmaso S, Barale A, Boccia D, Lopalco PL, Rizzo C, Monaco M, Massari M, Demicheli V, Pantosti A; Italian PNC-Euro working group.D'Ancona F, et al. Among authors: lopalco pl.Vaccine. 2005 Mar 31;23(19):2494-500. doi: 10.1016/j.vaccine.2004.10.037.Vaccine. 2005.PMID: 15752836