@article{zegarra_vaisberg_loza_aguirre_campos_fernandez_talla_villegas_2007,  title={Double-blind randomized placebo-controlled study of bixa orellana in patients with lower urinary tract symptoms associated to benign prostatic hyperplasia},  volume={33},  ISSN={1677-5538},  url={https://doi.org/10.1590/S1677-55382007000400006},  DOI={10.1590/S1677-55382007000400006},  number={4},  journal={International braz j urol},  publisher={Sociedade Brasileira de Urologia},  author={Zegarra, Luis and Vaisberg, Abraham and Loza, Cesar and Aguirre, Roxana L. and Campos, Miguel and Fernandez, Irma and Talla, Oscar and Villegas, Leon},  year={2007},  month={Jul},  pages={493–501} }