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Published in last 50 years
The effect of large doses of vitamins A, B, C and D on the incidence of upper respiratory infections in a group of rheumatic children: Kuttner, Ann G.: J. Clin. Investigation 19: 809, 1940
The effects of tannic acid nasal sprays on the incidence of upper respiratory infections
Summary and Conclusions The above data indicate: That there is a definite, but of course not absolute, correlation between the amount of heterophile immunity and the incidence of upper respiratory infections, i.e., the greater the heterophile immunity the fewer respiratory infections.That heterophile immunity contributes definitely toward protection against upper respiratory infections.