Polycythemia Vera and Pregnancy: A Case Report with the Use of Hydroxyurea in the First Trimester - Pata, Ozlem; Tok, C Ekrem; Yazici, Gurkan; Pata, Cengiz; Öz, A Utku; Aban, Meral; Dılek, Saffet (American Journal of Perinatology, 2004)