The use of a combined antigen-TABTD.
D000337:Aerospace Medicine; D000906:Antibodies; D000941:Antigens; D001359:Aviation; D004165:Diphtheria; D006801:Humans; D007109:Immunity
D000906:Antibodies; D000941:Antigens
ANTIGENS AND ANTIBODIES; AVIATION AND AVIATORS; DIPHTHERIA; IMMUNITY