Even common diseases can be complex.
D005114:Extramarital Relations; D005260:Female; D006069:Gonorrhea / Q000188:drug therapy / Q000635:transmission*; D006801:Humans; D008297:Male; D008487:Medical History Taking; D010819:Physician's Role; D011349:Proctitis / Q000209:etiology; D012737:Sex Factors; D012749:Sexually Transmitted Diseases / Q000175:diagnosis