Helen Murray Free smiling at the camera, wearing a red shirt and black jacket with red trim.
Diabetes Testing Pioneer Helen Free Dies at 98
Free’s dip-and-read urinalysis allowed diabetics to monitor glucose levels at home, rather than at a hospital.
Diabetes Testing Pioneer Helen Free Dies at 98
Diabetes Testing Pioneer Helen Free Dies at 98

Free’s dip-and-read urinalysis allowed diabetics to monitor glucose levels at home, rather than at a hospital.

Free’s dip-and-read urinalysis allowed diabetics to monitor glucose levels at home, rather than at a hospital.

urinalysis
More than Water
Erin Weeks | Sep 6, 2013
A comprehensive analysis of human urine identifies more than 3,000 metabolites.