Letter: Screening for disease.
D005069:Evaluation Studies as Topic; D006801:Humans; D006973:Hypertension / Q000175:diagnosis; D008875:Middle Aged; D009098:Multiphasic Screening; D009369:Neoplasms / Q000175:diagnosis; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis; D006113:United Kingdom