HIV-1 integrase inhibitory substances from Coleus parvifolius - Tewtrakul,S.; Miyashiro,H.; Nakamura,N.; Hattori,M.; Kawahata,T.; Otake,T.; Yoshinaga,T.; Fujiwara,T.; Supavita,T.; Yuenylongsawad,S.; Rattanasuwon,P.; Dej-Adisai,S. (Phytother Res, 2003)