【医】抗原循环学说(免)

circulation theory valence of antigen antigen circulation of costs circulation of sap pulmonary mechanics of circulation circulation of materials circulation of a bank circulation of a vector circulation of capital have a circulation of circulation of acceleration slow circulation theory fast circulation theory open circulation theory closed circulation theory open-closed circulation theory closed-open circulation theory sequestered antigen theory circulation of commodities sluggishness of blood circulation transactions velocity of circulation rate of circulation