Umbrella test: urethral dilator is real enough.
Bradford
David L
DL
D001294:Attitude to Health; D004106:Dilatation / Q000295:instrumentation; D006801:Humans; D008297:Male; D008403:Mass Screening / Q000706:statistics & numerical data*; D010342:Patient Acceptance of Health Care / Q000523:psychology*; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*; D014521:Urethra