NORCROSS, Ga.--(BUSINESS WIRE)--Guided Therapeutics, Inc. (OTCBB: GTHP) (OTCQB: GTHP) today announced that it has successfully completed an annual surveillance of its quality system necessary to maintain ISO 13485 certification, a requirement to secure the CE Mark for sale of the LuViva® Advanced Cervical Scan in the European Union (EU).
