Effect of retinoic acid on the proliferation and alkaline phosphatase activity of osteoblastic MC3T3-E1 cells by modulating the release of local regulators from monocytes - Kaji, H.; Sugimoto, T.; Kanatani, M.; Kano, J.; Fukase, M.; Chihara, K. (Experimental and Clinical Endocrinology & Diabetes, 1995)