Predictors of consistent condom use among Portuguese women attending family planning clinics
AIDS Care (2016) - Comment
pubmed: 26277905  doi: 10.1080/09540121.2015.1071770  issn: 1360-0451  issn: 0954-0121 

Eleonora C. V. Costa, Rosa Oliveira, Domingos Ferreira, M. Graça Pereira