Immunity status of military recruits in 1951 in the United States. I. Results of Schick tests.
D004165:Diphtheria / Q000276:immunology*; D004194:Disease; D006801:Humans; D007109:Immunity; D008511:Medicine; D008887:Military Medicine; D008889:Military Personnel; D009326:Naval Medicine; D014481:United States
ARMED FORCES PERSONNEL/diseases; DIPHTHERIA/immunology; MEDICINE, MILITARY AND NAVAL/diseases