Epidemiological Observation on Drug-Induced Illness.- The Pathophysiological Basis of Drug Toxicity..- Drug-Induced Liver Reactions: A Morphological Approach..- Drug-Associated Nephropathy. Part I: Glomerular Lesions..- Drug-Associated Nephropathy. Part II: Tubulo-Interstitial Lesions. A: Acute Interstitial Nephritis, Nephrotoxic Lesions, Analgesic Nephropathy..- Drug-Associated Nephropathy. Part II: Tubulo-Interstitial Lesions. B: Hypokalemic Alterations..- Drug-Induced Damage to the Embryo or Fetus. (Molecular and Multilateral Approach to Prenatal Toxicology)..- Drug-Induced Cancer..