Introduction,
Jonathan Samet and Devra Lee Davis

1

Research Protocols for Clinical Evaluation,

5

Working Group I

Exposures and Mechanisms,

9

Working Group II

Epidemiology,

11

Working Group III

Key Concepts: Chemical Sensitization,
Michael D. Lebowitz

13

Multiple Chemical Sensitivity-What is it?,
Roy L. DeHart

35

Case Definitions for Multiple Chemical Sensitivity,
Nicholas A. Ashford and Claudia S. Miller

41

Allergy and Multiple Chemical Sensitivities (MCS) Distinguished,
Claudia S. Miller and Nicholas A. Ashford

47

Design of Animal Models to Probe the Mechanisms of Hypersensitivity,
Meryl Karol

65

Antigen Specific and Antigen Non-Specific Immunization,
Robert Burrell

77