| 摘要 |
The present invention relates to a pharmaceutical composition comprising at least one vaccine antigen, which also comprises at least one phosphoric ester derivative of phosphatidylcholine having the structure: in which: R<SUB>1 </SUB>is a lower alkyl, R<SUB>2 </SUB>and R<SUB>3 </SUB>are identical or different, and can each represent linear hydrocarbon-based chains having from 13 to 21 carbon atoms.
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