Heberer, Thomas (2002-05-10). "Occurrence, fate, and removal of pharmaceutical residues in the aquatic environment: a review of recent research data". Toxicology Letters. 131 (1): 5–17. doi:10.1016/S0378-4274(02)00041-3. PMID11988354.
Heberer, Thomas (2002-05-10). "Occurrence, fate, and removal of pharmaceutical residues in the aquatic environment: a review of recent research data". Toxicology Letters. 131 (1): 5–17. doi:10.1016/S0378-4274(02)00041-3. PMID11988354.