Editorial

Bioinformatics: An Emerging Means of Assessing Environmental Health
M. Rodbell
P. 136

Review & Commentary

Review of Neural Tube Defects: Risk Factors in Parental Occupation and the Environment
B. M. Blatter, M. van der Star, and N. Roeleveld
P. 140

Environews

Forum

Shedding Light on Skin Cancer
Gasoline, Asbestos, and Dioxin
Hexane and Carbon Disulfide
Cleaner Air in Volgograd
IARC on Risk
New Directions for IARC
P. 146

Focus

Environmental Problems behind the Great Wall
P. 154
The Ailing Mother Russia
P. 160

Spheres of Influence

A Distinguished Career in the Service of Cancer Prevention
P. 164

Innovations

Wastes into Wood: Composites Are a Promising New Resource
P. 168

Research Advance

In Vivo X-Ray Fluorescence of Lead in Bone: Review and Current Issues
A. C. Todd and D. R. Chettle
P. 172

Brief Reports

• Formate in Serum and Urine after Controlled Methanol Exposure at the Threshold Limit Value
  A. d'Alessandro, J. D. Osterloh, P. Chuwers, P. J. Quinlan, T. J. Kelly, and C. E. Becker
  P. 178

• Bioavailability of Inorganic Arsenic from Bog Ore-containing Soil in the Dog
  K. Groen, H. A. M. G. Vaessen, J. J. G. Kliest, J. L. M. de Boer, T. van Ooik, A. Timmerman, and R. F. Vlug
  P. 182

  Total Suspended Particulate Matter and Daily Mortality in Cincinnati, Ohio
  J. Schwartz
  P. 186

Articles

• Induction of Hepatocellular Carcinoma in Nonhuman Primates by the Food Mutagen 2-Amino-3-Methylimidazo[4,5-f]quinoline
  R. H. Adamson, S. Takayama, T. Sugimura, and U. P. Thorgeirsson
  P. 190

• Cardiac Damage Induced by 2-Amino-3-methylimidazo[4,5-f]quinoline in Nonhuman Primates
  U. P. Thorgeirsson, A. Farb, R. Virmani, and R. H. Adamson
  P. 194

• Relationships between Toxicopathic Hepatic Lesions and Exposure to Chemical Contaminants in English Sole (Pleuronectes vetulus), Starry Flounder (Platichthys stellatus), and White Croaker (Genyonemus lineatus) from Selected Marine Sites on the Pacific Coast, USA
  M. S. Myers, C. M. Stehr, O. P. Olson, L. L. Johnson, B. B. McCain, S-L. Chan, and U. Varanasi
  P. 200

  Effects of Sulfite on the Uptake and Binding of Benzo[a]pyrene Diol Epoxide in Cultured Murine Respiratory Epithelial Cells
  J. L. Green, B. C. Jones, and G. A. Reed
  P. 216

Meeting Report

Combining Environmental Information
W. W. Piegorsch
P. 222