A CONTROLLED TRIAL OF ISONIAZID  PROPHYLAXIS IN MENTAL INSTITUTIONS.
D006761:Hospitals; D006778:Hospitals, Psychiatric; D006801:Humans; D007538:Isoniazid; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary
D007538:Isoniazid
HOSPITALS, PSYCHIATRIC; ISONIAZID; TUBERCULOSIS, PULMONARY