Polysaccharide fractions from Polygoni cuspidati rhizoma et radix decoction promote human gingival fibroblast proliferation relevant to oral wound healing. - Fast M; Gębarowski T; Bugno P; Hadzik J; Matkowski A; Zanoni G; Martens S; Nawrot-Hadzik I (Journal of ethnopharmacology, 2026)