Relationship between baseline insulin-like growth factor-I (IGF-I) and femoral bone density in women aged over 70 years: potential implications for the prevention of age-related bone loss. - Boonen,S.; Lesaffre,E.; Dequeker,J.; Aerssens,J.; Nijs,J.; Pelemans,W.; Bouillon,R. (J Am Geriatr Soc, 1996)