@inproceedings{inproceedingsb3cc2069,
title   = {Oral contraceptives and gingival health},
author = {Yvamoto, L S and Birman, Esther Goldenberg and Gonçalves, F A and Cardoso, Paulo Eduardo Capel},
year = {1995},
publisher = {Abroprev},
booktitle   = {World Congress on Preventive Dentistry}
}