Immunotherapy of hay fever with ragweed antigen E: comparisons with whole pollen extract and placebos

  • J Allergy. 1968 Aug;42(2):93-108. doi: 10.1016/0021-8707(68)90139-1.
P S Norman ,  W L Winkenwerder ,  L M Lichtenstein
PMID: 4873833 DOI: 10.1016/0021-8707(68)90139-1
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