Featured in the lessons:

• DSHS's poster Childhood Blood Lead Testing: Getting a Good Specimen
• DSHS's Form Pb-110: Risk Assessment for Lead Exposure
• DSHS's TX local Childhood Lead Poisoning Prevention Programs' Current year's Texas Medicaid Provider Procedures Manual
• Department of State Health Services Warehouse

Other references

• Texas Childhood Lead Poisoning Prevention Program
• National Safety Council Fact Sheet of Lead Poisoning
• Centers for Disease Control and Prevention Lead Poisoning Prevention Program
• U.S. Environmental Protection Agency Lead Awareness Program
• Lead Poisoning – MayoClinic.com