[Systematic examination of all visitors in hospitals; its importance in relation with mass examination].
D019072:Antibiotic Prophylaxis; D006761:Hospitals; D006801:Humans; D009275:Names; D014376:Tuberculosis / Q000517:prevention & control*
TUBERCULOSIS/prevention and control
Examen sistemático de los visitantes de los hospitales de agudos; su importancia como aporte al examen de masas.