Preface1. Lipoprotein oxidation products and arteriosclerosis: theory and methods with applicability to the clinical chemistry laboratoryN. Abudu, J.J. Miller, S.S. Levinson2. Measurement of matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) in blood and urine: potential clinical applicationsS. Zucker, K. Doshi, J.Cao3. Molecular method to quantitatively detect micrometastases and its clinical significance in gastrointestinal malignanciesH. Nakanashi4. Zymographic evaluation of plasminogen activators and plasminogen activator inhibitorsM.L. Rogan5. Estrogen metabolites, conjugates and DNA adducts: Possible biomarkers for risk of breast, prostate and other human cancersE.G. Rogan, E.L. Cavalieri6. Organophosphates/nerve agents poisoning: mechanism of action, diagnosis, prophylaxis and treatmentJ. Bajgar7. The potential of protein-detecting microarrays for clinical diagnosticsA.H. Smith, J.M. Vrtis, T. Kodadek8. Clinical laboratory implication of single living cells mRNA analysisT. Osada, H. Uehara, H. Kim, A. IkaiLetter to the EditorL. Vitek