title: A serum oestradiol/4-hydroxyestradiol ratio test as prostatic tumour marker.
authors.forename: C H
authors.initials: CH
authors.lastname: van Aswegen
authors.forename: L B
authors.initials: LB
authors.lastname: Nieuwoudt
authors.forename: R J
authors.initials: RJ
authors.lastname: Hooke
authors.forename: D J
authors.initials: DJ
authors.lastname: du Plessis
mesh_terms: D014408:Biomarkers, Tumor / Q000097:blood*; D004958:Estradiol / Q000031:analogs & derivatives* / Q000097:blood*; D002393:Estrogens, Catechol; D006801:Humans; D008297:Male; D011471:Prostatic Neoplasms / Q000175:diagnosis*
chemical_list: D014408:Biomarkers, Tumor; D002393:Estrogens, Catechol; D004958:Estradiol; C014036:4-hydroxyestradiol