Johanna R�tty� is an author at University of Oulu.
Publications per year
1999–1999
1
1
Valproate-induced hyperandrogenism during pubertal maturation in girls with epilepsy
Leena K. Vainionp��, Johanna R�tty�, Mikael Knip et al. · Annals of Neurology · 1999 · 148 citations
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