Voluven, a lower substituted novel hydroxyethylstarch (HES 130/0.4) causes fewer effects on coagulation in major orthopedic surgery than HES 200/0.5. - Langeron,O.; Doelberg,M.; Ang,E.T.; Bonnet,F.; Cadevila,X.; Coriat,P. (Anesth Analg, 2001)