title: Prostate cancer: Unravelling bias in vasectomy associations.
authors.forename: Clemens
authors.initials: C
authors.lastname: Thoma
mesh_terms: D006801:Humans; D008297:Male; D011471:Prostatic Neoplasms / Q000453:epidemiology* / Q000473:pathology*; D014659:Vasectomy / Q000009:adverse effects*