Complement fixation studies in ragweed allergy. II. Determination of antibody in human sera to ragweed antigen by means of a complement fixation inhibition test; the relationship of antibody so determined to the passive transfer for blocking antibod

Complement fixation studies in ragweed allergy. II. Determination of antibody in human sera to ragweed antigen by means of a complement fixation inhibition test; the relationship of antibody so determined to the passive transfer for blocking antibod