1. Amaral L, Martins A, Molnar J, Kristiansen JE, Martins M, Viveiros M, Rodrigues L, Spengler G, Couto I, Ramos J, Dastidar S, Fanning S, Mccusker M, Pages JM (2010) In Vivo 24:409
2. Basavaraju S, Jones T (1998) Arch Environ Con Tox 35:152
3. Bazhdanzadeh S, Talebpour Z, Adib N, Aboul-Enein HY (2011) J Sep Sci 34:90
4. Biao H, Gangming C, Hualong X, Ligu Z, Cheng T, Jian J (2001) Asian J Nucl Med 1:40
5. Cooper J, Delahaut P, Fodey TL, Elliott CT (2004) Analyst 129:169