Tsuang, Yang-Hwei Direct effects of caffeine on osteoblastic cells metabolism: the possible causal effect of caffeine on the formation of osteoporosis. [electronic resource] - Journal of orthopaedic surgery and research Oct 2006 - 7 p. digital Publication Type: Journal Article ISSN: 1749-799X Standard No.: 10.1186/1749-799X-1-7 doi