HIV Inhibitor from Thai Bitter Gourd - Jiratchariyakul, Weena; Wiwat, Chanpen; Vongsakul, Molvibha; Somanabandhu, Aimon; Leelamanit, Wichet; Fujii, Isao; Suwannaroj, Natsajee; Ebizuka, Yutaka (Planta Medica, 2001)