Vinnars, M T, Wijnaendts, L C D, Westgren, M, Bolte, A C, Papadogiannakis, N & Nasiell, J 2008, ' Severe preeclampsia with and without HELLP differ with regard to placental pathology ', Hypertension, vol. 51, no. 5, pp. 1295-1299 . https://doi.org/10.1161/HYPERTENSIONAHA.107.104844 Hypertension, 51(5), 1295-1299. Lippincott Williams and Wilkins