Prostate Specific Antigen Doubling Time as Auxiliary End Point in Hormone Refractory Prostatic Carcinoma Hans-Peter Schmid, Rudolf Morant, Jürg Bernhard, Rudolf Maibach European Urology Volume 43, Issue 1, Pages 28-30 (January 2003) DOI: 10.1016/S0302-2838(02)00539-0
Fig. 1 Correlation of prostate specific antigen (PSA) doubling time to objective response in patients with measurable metastases. Bars represent individual patients. Asterixes denote median values of PSA doubling time in each of the three response categories. European Urology 2003 43, 28-30DOI: (10.1016/S0302-2838(02)00539-0)