1. Passive sentinel surveillance system for sexually transmitted diseases in primary healthcare sites in Ethiopia, 1991–3. Issue 2 (1st April 2000) Authors: Matteelli, A; Kassa, A; Gerbase, A; Farina, C; Ghidinelli, M; Chatel, G; Beltrame, A; Feleke, W; Carosi, G Journal: Sexually transmitted infections Issue: Volume 76:Issue 2(2000) Page Start: 131 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗