title: 'Red alert!'.
mesh_terms: D006801:Humans; D008297:Male; D009336:Necrosis; D010409:Penile Diseases / Q000209:etiology*; D010413:Penis / Q000098:blood supply; D014546:Urinary Catheterization / Q000009:adverse effects* / Q000295:instrumentation; D014549:Urinary Incontinence / Q000451:nursing