Single Article Purchase:
COMPARATIVE EFFECTS OF DIPHTHERIA TOXOID AND TOXIN-ANTITOXIN AS IMMUNIZING AGENTS
WEINFELD GF, COOPERSTOCK MM.
Am J Dis Child. 1929;38(1):35-46.
Published online July 1, 1929
Choose criteria for pricing info
Want online access for an institution? Learn More/Request Quote >
Obtain AMA PRA Category 1 Credit™ by reading an article and completing an online quiz. Quizzes are available to AMA Members, subscribers, and those who have purchased tokens.