positive regulation of humoral immune response mediated by circulating immunoglobulin
Known as: up regulation of humoral immune response mediated by circulating immunoglobulin, up-regulation of humoral immune response mediated by circulating immunoglobulin, upregulation of humoral immune response mediated by circulating immunoglobulin
Any process that activates or increases the frequency, rate, or extent of a humoral immune response mediated by circulating immunoglobulin. [GOC:add]