[STUDIES ON THE RECENT CHANGES IN THE TUBERCULIN REACTION IN CHILDREN. II. INFLUENCE ON THE DETERMINATION OF THE RESULT (POSITIVE OR NEGATIVE) AND A COUNTERPLAN].
D002648:Child; D006801:Humans; D007564:Japan; D014373:Tuberculin; D014374:Tuberculin Test
D014373:Tuberculin
CHILD; JAPAN; TUBERCULIN TEST