Sildenafil : an oral drug for the treatment of male erectile dysfunction /
Burls, Amanda.
University of Birmingham.Department of Public Health and Epidemiology.
Birmingham : University of Birmingham, Dept. of Public Health and Epidemiology,
1998.
"Development and Evaluation Committee (DEC) report for the West Midlands region produced in collaboration with the Midland Therapeutic Review & Advisory Committee (MTRAC)."