<it>Plasmodium vivax </it>trophozoites insensitive to chloroquine oleh Jaidee Anchalee, Travers Thomas, Kosaisavee Varakorn, Edstein Michael D, Lek-Uthai Usa, Suwanarusk Rossarin, Sharrock Wesley W, Sriprawat Kanlaya, Price Ric N, Nosten François, Russell Bruce