title: [Experimental study of the problem of the immunizability of the aged. I. Active anti-tetanus immunization experiments].
mesh_terms: D000367:Age Factors; D000368:Aged; D000906:Antibodies / Q000032:analysis; D000917:Antibody Formation; D001772:Blood Cell Count; D001798:Blood Proteins / Q000032:analysis; D005260:Female; D006452:Hemoglobinometry; D006801:Humans; D008297:Male; D013742:Tetanus / Q000276:immunology*; D013743:Tetanus Antitoxin / Q000096:biosynthesis*; D014611:Vaccination; D005719:gamma-Globulins / Q000032:analysis
chemical_list: D000906:Antibodies; D001798:Blood Proteins; D013743:Tetanus Antitoxin; D005719:gamma-Globulins
vernacular_title: Contributo sperimentale al problema dell'immunizzabilità dell'anziano. I. Esperimenti di immunizzazione attiva antitetanica.