@inproceedings{inproceedings9b48e115, title = {Levonorgestrel intra-uterine device effects on endometriosis}, author = {Silva, Ana Carolina Japur de Sá Rosa e and Silva, Júlio César Rosa and Petta, Carlos Alberto and Nogueira, Antonio Alberto and Reis, Francisco José Cândido dos and Ferriani, Rui Alberto}, year = {2004}, publisher = {International Federation of Fertility Societies}, booktitle = {World Congress on Fertility and Sterility} }