Research Article

Long-Term Efficacy and Tolerability of Abdominal Once-Yearly Histrelin Acetate Subcutaneous Implants in Patients with Advanced Prostate Cancer

Figure 2

Mean serum prostate-specific antigen (PSA,  μg/L) levels in patients after receiving once-yearly histrelin acetate implants for 240 weeks. The error bars represent the standard error of the mean (SEM).