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Riska A, Tiitinen A.Riska A, et al. Among authors: tiitinen a.Duodecim. 2002;118(7):673-8; quiz 678, 703.Duodecim. 2002.PMID: 12238176Review.Finnish.No abstract available.
Tiitinen A, Hovatta O, Kujansuu E, Gissler M, Koskimies AI.Tiitinen A, et al.Duodecim. 1998;114(21):2219-24.Duodecim. 1998.PMID: 11757112Review.Finnish.No abstract available.