Panida Lungchukiet. (2000) Mutagenesis investigation of the arginine residue on helix 5 of the Bacillus thuringiensis Cry4B toxin. Mahidol University,:ม.ป.ท.Panida Lungchukiet. 2000. Mutagenesis investigation of the arginine residue on helix 5 of the Bacillus thuringiensis Cry4B toxin. ม.ป.ท.:Mahidol University,;Panida Lungchukiet. Mutagenesis investigation of the arginine residue on helix 5 of the Bacillus thuringiensis Cry4B toxin. ม.ป.ท.:Mahidol University, 2000. Print.