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Latzin, P; Frey, U; Roiha, HL; Baldwin, DN; Regamey, N; Strippoli, MP; Zwahlen, M; Kuehni, CE; Swiss, Paediatric Respiratory Research Group (2007). Prospectively assessed incidence, severity, and determinants of respiratory symptoms in the first year of life. Pediatric pulmonology, 42(1), pp. 41-50. Hoboken, N.J.: Wiley-Blackwell 10.1002/ppul.20542
