• 1 April 1958
    • journal article
    • Vol. 1  (2) , 135-43
Abstract
Fourteen vaccines, ten of which had been tested in the field in the M.R.C. trials, were assayed in the laboratory by the intracerebral (IC) and the intranasal (IN) routes. The IC test arranged the vaccines in quite a different order of potency to the IN test.