SAUER, L W Simultaneous immunization against diphtheria, tetanus and pertussis; a preliminary report. [electronic resource] - Quarterly bulletin. Northwestern University (Evanston, Ill.). Medical School 1948 - 281-5 p. digital Publication Type: Journal Article Subjects--Topical Terms: DiphtheriaHumansImmunityImmunizationTetanusTetanus ToxoidVaccinationWhooping Cough