@misc
{TN_libero_mab2,
author = {
Jackson, Heather A
AND
Sheehan, Amy Heck
},
title = {
Effect of Vitamin A on Fracture Risk
},
publisher = {SAGE Publications},
isbn = {1060-0280},
isbn = {1542-6270},
year = {2005},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}