. "\"Any process that activates or increases the frequency, rate or extent of myeloid cell differentiation.\" [GOC:go_curators]" . . "positive regulation of myeloid cell differentiation" . "up regulation of myeloid cell differentiation" . "up-regulation of myeloid cell differentiation" . "upregulation of myeloid cell differentiation" . . . "activation of myeloid cell differentiation" . "stimulation of myeloid cell differentiation" .