@ARTICLE{
author={Ostberg JE,Damnjanovic Tatjana,Dimkovic Nada B,Byrne D,Mikhailidis Dimitri P,Prelevic GM},
year={2004},
title={Effect of tibolone on markers of cardiovascular disease risk in postmenopausal women undergoing hemodialysis: a pilot study},
journal={FERTILITY AND STERILITY},
volume={81},
number={6},
pages={1624-1631},
document_type={Article},
} 

@ARTICLE{
author={Prelevic GM,Markou A,Arnold A,Bartram C,Puzigaca Zarko,Ginsburg J},
year={2004},
title={The effect of tibolone on bone mineral density in postmenopausal women with osteopenia or osteoporosis - 8 years follow-up},
journal={MATURITAS},
volume={47},
number={3},
pages={229-234},
document_type={Article},
}