Biologically active substances from amphibians: preliminary studies on anurans from twenty-one genera of Thailand
John W. Daly, Naratitt Noimai, Boonsong Kongkathip, Ngampong Kongkathip, Jason M. Wilham, H. Martin Garraffo, Tetsuo Kaneko, Thomas F. Spande, Yuth Nimit, Jarujin Nabhitabhata, Tanya Chan-ard