title: Antiviral activity of selected Catharanthus alkaloids.
mesh_terms: D000470:Alkaloids / Q000302:isolation & purification / Q000494:pharmacology*; D000818:Animals; D008722:Methods; D010946:Plants, Medicinal / Q000032:analysis; D017955:Poliovirus / Q000187:drug effects*; D014616:Vaccinia virus / Q000187:drug effects*
chemical_list: D000470:Alkaloids