Poliomyelitis virus article 10 nonhuman 10 plant extract 10 unclassified drug 10 Poliovirus 8 antiviral activity 8 controlled study 8 Antiviral Agents 6 Plant Extracts 6 Vesicular stomatitis virus 6 in vivo study 6 medicinal plant 6 plant leaf 6 Animals 4 Cercopithecus aethiops 4 Chemical Fractionation 4 Chloroform 4 Herpes simplex virus 1 4 Herpes virus 4 Herpesviridae 4 Herpesvirus 1, Human 4 Meliaceae 4 Methanol 4 Methanolic extracts 4 Plant Leaves 4 Sindbis virus 4 Trichilia glabra 4 Trichilia glabra extract 4 Trichilia glabra leaves 4