3238654 PFDs pelvic floor disorders 173 3238642 PFDs platelet function disorders 24 3238649 PFDs pelvic floor dysfunctions 20 3238648 PFDs personal flotation devices 18 3238655 PFDs pediatric feeding disorders 16 3238644 PFDs photon flux densities 14 3238662 PFDs Prefoldins 8 3238646 PFDs platelet function defects 6 3238660 PFDs Prevention of Future Deaths reports 6 3238651 PFDs penicillin fermentation dregs 2 3238664 PFDs PICU-free days 2 3238638 PFDs post fracture days 2 3238639 PFDs preferred firing directions 2 3238658 PFDs prevention of future deaths 2 3238659 PFDs prion forming domains 2 3238635 PFDs process flow-diagrams 2 3238663 PFDs Protein functional domains 2 3238656 PFDs parametric frequency dividers 1 3238653 PFDs partial functional differential equations 1 3238652 PFDs peak flowering dates 1 3238650 PFDs perfluorodecalins 1 3238657 PFDs periodontal fenestration defects 1 3238645 PFDs phlebotomy-free days 1 3238647 PFDs pig farming densities 1 3238641 PFDs platelet functional disorders 1 3238643 PFDs portable fitness devices 1 3238640 PFDs pre-coded food diaries 1 3238637 PFDs presence-frequency differences 1 3238661 PFDs Prevent Future Deaths 1 3238636 PFDs protein- folding disorders 1 3238634 PFDs proximal femoral deformities 1 3238633 PFDs psychiatric function disorders 1