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Citation: Mr. Orden et al., Contrast-enhanced ultrasonography of uteroplacental circulation does not evoke harmful CTG changes or perinatal events, FETAL DIAGN, 15(3), 2000, pp. 139-145

Authors: Orden, MR Gudmundsson, S Kirkinen, P

Citation: Mr. Orden et al., Contrast-enhanced sonography in the examination of benign and malignant adnexal masses, J ULTR MED, 19(11), 2000, pp. 783-788

Authors: Orden, MR Gudmundsson, S Helin, HL Kirkinen, P

Citation: Mr. Orden et al., Intravascular contrast agent in the ultrasonography of ectopic pregnancy, ULTRASOUN O, 14(5), 1999, pp. 348-352

Authors: Orden, MR Gudmundsson, S Kirkinen, P

Citation: Mr. Orden et al., Intravascular ultrasound contrast agent: An aid in imaging intervillous blood flow?, PLACENTA, 20(2-3), 1999, pp. 235-240