1. Statistics in Clinical Research -- 2. The Case-Control Study -- 3. Principles for the Conduct of Nondrug Clinical Studies -- 4. Questionnaire Design in Skin Disease Epidemiology -- 5. Scale Development for Clinical Assessment -- 6. Evaluation of Cosmetics by Sensory Assessment -- 7. Cutaneous Bioengineering -- 8. Atopic Dermatitis: Severity Scoring -- 9. A Review of the Use of Essential Fatty Acid Supplementation in Atopic Dermatitis with Emphasis on the Methodology of Trial Design -- 10. Severity Scoring of Atopic Dermatitis -- 11. A Metric for Acneiform Eruptions of the Face -- 12. Toward a New Psoriasis Severity Scoring Using Bioengineering Techniques -- 13. Epidemic of Melanoma: How Real Is It? -- 14. Prognostic Models in Melanoma -- 15. Photoaging -- 16. Measurement in Scleroderma Clinical Trials -- 17. Quantification of Wound Healing -- 18. Design of Clinical Trials to Evaluate Antimycotic Agents in the Treatment of Dermatophyte Infections -- 19. Sites of Contact Dermatitis in Relationship to Particular Allergens: A Follow-Up Study -- 20. Evaluating Surveillance Systems in Contact Dermatitis -- 21. Sodium Lauryl Sulfate: Water Soluble Irritant Contact Dermatitis Model -- 22. Quaternium-18 Bentonite in the Prevention of Allergic Contact Dermatitis -- 23. Personal Cleansers: Irritation and Moisturization -- 24. Small Plaque Assay -- 25. Application of the Minolta Chromameter to the Assessment of Corticosteroid-Induced Skin Blanching -- 26. Assaying for Bioavailability in Acne -- 27. In Vitro/In Vivo Correlations -- 28. Pharmacoeconomics and Outcomes Research -- 29. The Cost of Atopic Eczema to Society: An International Perspective.