Douglas Lewis, President and Scientific Director of USDTL, discussed Phosphatidylethanol (PEth) in dried blood spots and Ethyl Glucuronide (EtG) in hair and fingernails.
7/18/20251 min read
Precision is my Signature.
timeliness
info@ataylortestco.com
813-391-1731
© 2025. All rights reserved.
privacy practices
refund policy
Trust
tailored professionalism
THE ATTEST STANDARD:
