title: Long-term active surveillance for prostate cancer: answers and questions.
authors.affiliation: University of California, San Francisco, Helen Diller Family Comprehensive Cancer Center, San Francisco, CA mcooperberg@urology.ucsf.edu.
authors.forename: Matthew R
authors.initials: MR
authors.lastname: Cooperberg
mesh_terms: D014408:Biomarkers, Tumor / Q000097:blood*; D006801:Humans; D008297:Male; D011159:Population Surveillance; D017430:Prostate-Specific Antigen / Q000097:blood*; D011471:Prostatic Neoplasms; D057832:Watchful Waiting
chemical_list: D014408:Biomarkers, Tumor; D017430:Prostate-Specific Antigen