1. A. Albini, E. Fasani (Eds.), Photochemistry and Photolability, Royal Soc. Chemistry, Cambridge, 1998, p. 66
2. H. Tønnesen, Photostability of Drugs and Drug Formulations, Taylor and Francis, London, 1996
3. 2 Photodecomposition of Drugs
4. International Commission of Harmonisation, Photostability Testing of New Substances and Products, Geneva, 1997
5. Degradation of Trimethoprim