@inproceedings{inproceedingsa0419bfb,
title   = {Less active vitamin D system in breast cancer patients than normal women},
author = {Lyra, E. C. and Folgueira, Maria Aparecida Azevedo Koike and Katayama, M. L. H. and Silva, Isilia Aparecida and Góes, J. C. S. and Brentani, M. M.},
year = {2003},
booktitle   = {Workshop on Vitamin D}
}