Hypergravity stimulates collagen synthesis in human osteoblast-like cells: evidence for the involvement of p44/42 MAP-kinases (ERK ¿). - Gebken,J.; Luders,B.; Notbohm,H.; Klein,H.H.; Brinckmann,J.; Muller,P.K.; Batge,B. (J Biochem (Tokyo), 1999)