Letter to the editor.
Shulman
Lee P
LP
D000279:Administration, Cutaneous; D002986:Clinical Trials as Topic; D004958:Estradiol / Q000008:administration & dosage*; D015914:Estrogen Replacement Therapy; D005260:Female; D006801:Humans; D016912:Levonorgestrel / Q000008:administration & dosage*; D014554:Urination / Q000187:drug effects*; D014666:Vasomotor System / Q000187:drug effects*
D004958:Estradiol; D016912:Levonorgestrel