Ji Ji G G Song Song G G Huang Huang C C Rapidly decreasing level of prostate-specific antigen during initial androgen deprivation therapy is a risk factor for early progression to castration-resistant prostate cancer: A retrospective study Rapidly decreasing level of prostate-specific antigen during initial androgen deprivation therapy is a risk factor for early progression to castration-resistant prostate cancer: A retrospective study Medicine Medicine 2017 2017 96 96 e7823 e7823 10.1097/MD.0000000000007823 10.1097/MD.0000000000007823 supplied-pmid 28885333? This evidence concerns the gene KLK3 and Familial prostate cancer.