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Takala AK, Eskola J, Leinonen M, Käyhty H, Nissinen A, Pekkanen E, Mäkelä PH.Takala AK, et al. Among authors: kayhty h.J Infect Dis. 1991 Nov;164(5):982-6. doi: 10.1093/infdis/164.5.982.J Infect Dis. 1991.PMID: 1940479
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Käyhty H, Peltola H, Eskola J, Rönnberg PR, Kela E, Karanko V, Mäkelä PH.Käyhty H, et al.Pediatrics. 1989 Dec;84(6):995-9.Pediatrics. 1989.PMID: 2587155
Mäkelä PH, Käyhty H, Peltola H, Eskola J.Mäkelä PH, et al. Among authors: kayhty h.Pediatr Infect Dis J. 1989 Jan;8(1 Suppl):S73-5.Pediatr Infect Dis J. 1989.PMID: 2648298Review.No abstract available.