preferred_name: PDGF dimer binds two receptors simultaneously (Xenopus tropicalis)
preferred_name_lc: pdgf dimer binds two receptors simultaneously (xenopus tropicalis)
label: PDGF dimer binds two receptors simultaneously (Xenopus tropicalis)
label_lc: pdgf dimer binds two receptors simultaneously (xenopus tropicalis)