PFRIPlaque Formation Rate Index (dentistry)
PFRIPublicly Funded Research Institutes (Australia)
PFRIPolish Foundry Research Institute (Ministry of Economy; Poland)
References in periodicals archive ?
The Pearson correlation test revealed a significant correlation between the PMFS and PFRI for test (r = 0.
A significant inter-correlation between the PMFS and the PFRI was revealed as hypothesized, which indicates that the PMFS has an excellent convergent validity.
PFRI was installed in thousands of high-occupancy and commercial buildings, including schools, office buildings, condominiums and apartment buildings, manufacturing facilities, restaurants, shopping plazas and malls.