Enhancement of Cholesterol Esterification in Macrophages by Platelets' Secretory Products - HAYASHI, Toshio; NAITO, Michitaka; KUZUYA, Masafumi; FUNAKI, Chiaki; ASAI, Kanichi; KUZUYA, Fumio (Dōmyaku kōka = The Journal of Japan Atherosclerosis Society, 1988)