title: First, do no harm, second, do some good, third, give choice and fourth, save cash: the 1, 2, 3 and 4 of transdermal oestradiol as androgen deprivation therapy ticks all the boxes.
authors.affiliation: Department of Surgery and Cancer, Imperial College London, London, UK.
authors.forename: S I A
authors.initials: SI
authors.lastname: Shah
authors.affiliation: Department of Surgery and Cancer, Imperial College London, London, UK.
authors.forename: H C P
authors.initials: HC
authors.lastname: Wilson
authors.affiliation: Department of Surgery and Cancer, Imperial College London, London, UK.
authors.forename: P D
authors.initials: PD
authors.lastname: Abel
mesh_terms: D000279:Administration, Cutaneous; D000818:Animals; D004958:Estradiol; D015914:Estrogen Replacement Therapy; D006801:Humans; D011471:Prostatic Neoplasms; D013987:Ticks
chemical_list: D004958:Estradiol