title: Relearning an old lesson: stopping trials early.
authors.forename: Najib M
authors.initials: NM
authors.lastname: Rahman
authors.forename: Robert J O
authors.initials: RJ
authors.lastname: Davies
mesh_terms: D001707:Biopsy, Needle / Q000379:methods*; D057239:Early Termination of Clinical Trials; D006801:Humans; D010994:Pleura / Q000473:pathology; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D014396:Tuberculosis, Pleural / Q000175:diagnosis* / Q000473:pathology; D018084:Ultrasonography, Interventional