@misc{misc988a15bb,
title   = {Hemolytic activity of the serum complement in women using oral contraceptives},
author = {Ramos, J. C. and Casarini, K. C. and Martelli, O. M. and Azzolini, Ana Elisa Caleiro Seixas and Lucisano-Valim, Yara Maria and Marzocchi-Machado, Cleni Mara},
year = {2004},
booktitle   = {International Complement Workshop}
}