After in vitro adherence , human monocytes had a biphasic increase in PDGF ( B ) mRNA with peaks at 6 h and 13 d .
after in vitro adherence , human monocytes had a biphasic increase in pdgf ( b ) mrna with peaks at 6 h and 13 d .
O O O O O O O O O O O O B-protein_subunit I-protein_subunit I-protein_subunit I-protein_subunit O O O O O O O O O O