1. Risk perception of sexually transmitted infections and HIV in Nigerian commercial sex workers living in Barcelona: a study protocol. Issue 7 (30th July 2013) Authors: Coma Auli, Núria; Mejía-Lancheros, Cília; Berenguera, Anna; Mayans, Martí Vall; Lasagabaster, Maider Arando; Pujol-Ribera, Enriqueta Journal: BMJ open Issue: Volume 3:Issue 7(2013) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗