作者: N.P. Markham
DOI: 10.1016/0035-9203(60)90212-1
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摘要: Abstract 1. 1) A haemagglutination test, using sheep erythrocytes on to which diphtheria toxoid has been attached, used determine the antitoxin concentration in sera from Rarotongans, New Zealand Maoris and Europeans. 2. 2) It found that was less than 0.003 units per ml. 10 cent. of 15 78 3. 3) In Rarotongans increasingly high levels were with increasing age. 4. 4) is concluded immunity Rarotongan produced by cutaneous known occur frequently Rarotonga.