PTGFPiano Technicians Guild Foundation (est. 1982)
PTGFPorcine Transforming Growth Factor (biochemistry)
PTGFPerturbative-Type Green Function (also seen as PTG)
References in periodicals archive ?
Previously the beneficiary of an MTNA Teacher Enrichment Grant, which encouraged me to make the time and financial commitments necessary for regular private lessons, I began counting the years before I would be eligible to apply for the PTGF Grant.
The PTGF believed in me and the value of studying music.
The PTGF Grant, awarded annually, is open to individuals who have earned and maintained MTNA Professional Certification for at least six years and are at least twenty-eight years of age.