Editorial

Inflammation, Tumor Necrosis Factor, and Toxicology
Michael I. Luster
P. A418

Re: "Have Sperm Densities Declined? A Reanalysis of Global Trend Data"
Response: Sperm Density Declines
P. A420

Forum

The Truth about the Birds and the Bees
Melanoma Vaccines
New Source of Fish Fears
Lasers for Lungs
EHPnet: Disease-free Zone
P. A424

Carbon Disulfide Neurotoxicity Defined
Work Group Concludes EMFs Are Possible Human Carcinogen
P. A428

Natural Born Killers
P. A432

Poplar Demand
P. A438

• A Public Health Context for Residual Risk Assessment and Risk Management Under the Clean Air Act
  Gail Charnley and Bernard D. Goldstein
  P. 519

  Rethinking Breast Cancer Risk and the Environment: The Case for the Precautionary Principle
  Devra Lee Davis, Deborah Axelrod, Lisa Bailey, Mitchell Gaynor, and Annie J. Sasco
  P. 523

Lead Speciation and Occupational Exposure, David E.B. Fleming (See Spear et al., p. 565) . . . Trichloroethene Levels in Human Blood and Exhaled Breath from Controlled Inhalation Exposure, Lance Wallace (See Pleil et al., p. 573)
P. 531

Reviews

PM_2.5 and Mortality in Long-term Prospective Cohort Studies: Cause-Effect or Statistical Associations?
John F. Gamble
P. 535

• Rapid Screening of Environmental Chemicals for Estrogen Receptor Binding Capacity
  Randall Bolger, Thomas E. Wiese, Kerry Ervin, Scott Nestich, and William Checovich
  P. 551

• Semiparametric Modeling of Age at Achieving Developmental Milestones After Prenatal Exposure to Methylmercury in the Seychelles Child Development Study
  Catherine D. Axtell, Gary J. Myers, Philip W. Davidson, Anna L. Choi, Elsa Cernichiari, Jean Sloane-Reeves, Conrad Shamlaye, Christopher Cox, and Thomas W. Clarkson
  P. 559

• Chemical Speciation of Lead Dust Associated with Primary Lead Smelting
  Terry M. Spear, Wayne Svee, James H. Vincent, and Nick Stanisich
  P. 565

• Trichloroethene Levels in Human Blood and Exhaled Breath from Controlled Inhalation Exposure
  Joachim D. Pleil, Jeffrey W. Fisher, and Andrew B. Lindstrom
  P. 573

• Characterization of Estrogenicity of Phytoestrogens in an Endometrial-derived Experimental Model
  Anne-Christine Hopert, Antje Beyer, Kirsten Frank, Elisabeth Strunck, Winfried Wünsche, and Günter Vollmer
  P. 581

• Exposure of Human Proximal Tubule Cells to Cd²⁺, Zn²⁺, and Cu²⁺ Induces Metallothionein Protein Accumulation but not Metallothionein Isoform 2 mRNA
  Scott H. Garrett, Seema Somji, John H. Todd, and Donald A. Sens
  P. 587

• Colchicine Antimitosis Abolishes Resiliency of Postnatally Developing Rats to Chlordecone-amplified Carbon Tetrachloride Hepatotoxicity and Lethality
  Abraham Dalu, Prathibha S. Rao, and Harihara M. Mehendale
  P. 597

  Prevalence of Adult Asthma Symptoms in Relation to Climate in New Zealand
  Simon Hales, Simon Lewis, Tania Slater, Julian Crane, and Neil Pearce
  P. 607

Multiple System Atrophy Following Chronic Carbon Disulfide Exposure
Howard Frumkin
P. 611

• Extramurally Speaking: Research Areas of Special Emphasis