Additivity 

Thyroid-Hormone–Disrupting Chemicals: Evidence for Dose-Dependent Additivity or Synergism (PDF) Health Perspectives Volume 113, Number 11, November 2005. Kevin M. Crofton, Elena S. Craft, Joan M. Hedge, Chris Gennings, Jane E. Simmons, Richard A. Carchman, W. Hans Carter Jr., and Michael J. DeVito.

Testing the Additivity Assumption: Chemical Mixtures and Thyroid Function (PDF)
Environmental Health Perspectives highlight, Volume 113, Number 11, November 2005.

Cumulative Risk: Dose Addition Vs. Effect Addition (PPT)

Pregnancy, Development, and Medical Screening

Thyroid Function Inside and Outside of Pregnancy: Whad Do We Know and What Don't We Know? (PDF) Thyroid: Volume 15, Number 1, 2005.  Robert C. Smallridge, Daniel Glinoer, Joseph G. Hollowell, and Gregory Brent.

The Impact of Maternal Thyroid Diseases on the Developing Fetus: Implications for Diagnosis, Treatment and Screening.  Summary of Proceedings, Workshop Organization, Program, and Participants (PDF) Thyroid: Volume 15, Number 1, 2005. Gregory Brent and Coleen A. Boyle.

American Thyroid Association Consensus Statement #2 on Early Maternal Thyroid Insufficiency: Recognition, Clinical Management and Research Directions (PDF)
Thyroid: Volume 15, Number 1, 2005.

Are Detection and Treatment of Thyroid Insufficiency In Pregnancy Feasible? (PDF)
Thyroid: Volume 15, Number 1, 2005. Susan J. Mandel, Carole A. Spencer, and Joseph G. Hollowell.

Methods and Criteria Used in Evidence-Based Decisions in Public Health (PDF)
Thyroid: Volume 15, Number 1, 2005. Coleen A. Boyle, Paul Ladenson, and James E. Haddow.

2004 Where Do We Go from Here? -  Summary of Working Group Discussions on Thyroid Function and Gestational Outcomes (PDF) Thyroid: Volume 15, Number 1, 2005.

Is Thyroid Inadequacy During Gestation a Risk Factor for Adverse Pregnancy and Developmental Outcomes? (PDF) Thyroid: Volume 15, Number 1, 2005. Stephen H. LaFranchi, James E. Haddow, and Joseph G. Hollowell.

Impact of Maternal Thyroid Status on Pregnancy and Fetal and Childhood Development (PDF) A Symposium of the American Thyroid Association & The American Association of Clinical Endocrinologists, Friday, April 2, 2004. 

Maternal Thyroid Deficiency During Pregnancy and Subsequent Psychological Development of the Child, N Engl J Med, 341:549-555, 1999. Haddow JE, Palomaki GE, Allan WC, Williams JR, Knight GJ, Gagnon J, O’Heir CE, Mitchell ML, Hermos RJ, Waisbren SE, Faix JD, Klein RZ 

The Reference Range and Within-Person Variability of Thyroid Stimulating Hormone (TSH) During the First and Second Trimesters of Pregnancy, J Med Screen, 11:170-174, 2004. Haddow JE, Knight GJ, Palomaki GE, McClain MR, Pulkkinen AJ.