SEARCH Articles Figures Tables IPSO amount in organs 1 hour after hepatic arterial injection with a W OAV emulsion consisting of I-IPSO microdroplets that are 10 or 60 pm in diameter. The emulsion was injected into the proper hepatic artery of the rabbits after laparotomy under general anesthesia. The IPSO amount was calculated by measuring the radioactivity of the sample taken from the hver , spleen, and blood. [Publishers Imprint]