preferred_name: PDGF binds to extracellular matrix proteins (Caenorhabditis elegans)
preferred_name_lc: pdgf binds to extracellular matrix proteins (caenorhabditis elegans)
label: PDGF binds to extracellular matrix proteins (Caenorhabditis elegans)
label_lc: pdgf binds to extracellular matrix proteins (caenorhabditis elegans)