Documents Savoirs Antinociceptive effect of cyclic phosphatidic acid and its derivative on animal models of acute and chronic pain Kakiuchi Yasutaka, Nagai Jun, Gotoh Mari, Hotta Harumi, Murofushi Hiromu, Ogawa Tomoyo, Ueda Hiroshi, Murakami-Murofushi, Murakami-Murofushi Kimiko