Research contributions of BCG vaccination programs. II. Tuberculin sensitivity at different altitudes of residence.
D000531:Altitude; D001500:BCG Vaccine / Q000494:pharmacology*; D009163:Mycobacterium bovis; D012106:Research; D014373:Tuberculin; D014611:Vaccination
D001500:BCG Vaccine; D014373:Tuberculin
ALTITUDE; BCG VACCINATION/effects; TUBERCULIN