83 PFS definitions

Personal Financial Specialist 
Perfect Forward Secrecy 
Pulmonary Function System 
percent full scale 
Parallel File System 
Primary Flight System 
Page Format Selection 
Peripheral fixed shim 
Primary Flight Software 
Probability of False Synchronization 
Page Free Space 
Planetary Fourier Spectrometer 
primary fibromyalgia syndrome 
progression free survival 
progression-free survival 
Pakistan Fertility Survey 
Panavision Federal Systems 
Parachute Flying Section 
parallel fibers 
parallel fibres 
Parent Financial Statement 
Particles and Fields Subsatellite 
Partnership For Safety 
Partnerships for Schools 
Pas Filtration System 
Patient Financial Service 
patient financial services 
PCM Frame Synchronisation 
Perceived Family Support 
Perfect Foward Secrecy